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Glen Canyon Park - Wikipedia

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class="vector-toc-list"> </ul> </li> <li id="toc-The_Crocker_era" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#The_Crocker_era"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span> <span>The Crocker era</span> </div> </a> <ul id="toc-The_Crocker_era-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-City_park" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#City_park"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.5</span> <span>City park</span> </div> </a> <ul id="toc-City_park-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Future_management" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Future_management"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Future management</span> </div> </a> <ul id="toc-Future_management-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Urban_planning" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Urban_planning"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Urban planning</span> </div> </a> <ul id="toc-Urban_planning-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" 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title="Geographic coordinate system">Coordinates</a>: <style data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Glen_Canyon_Park&amp;params=37.739_N_122.442_W_type:landmark_region:US-CA"><span class="geo-nondefault"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">37°44′20″N</span> <span class="longitude">122°26′31″W</span></span></span><span class="geo-multi-punct">&#xfeff; / &#xfeff;</span><span class="geo-default"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">37.739°N 122.442°W</span><span style="display:none">&#xfeff; / <span class="geo">37.739; -122.442</span></span></span></a></span></span></div></div> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Park in San Francisco, California, USA</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vcard"><tbody><tr><th colspan="2" class="infobox-above fn org" style="background-color: #abdb75; line-height: 140%;">Glen Canyon park</th></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:GlenCanyonPark_Satellite_Photo.jpg" class="mw-file-description"><img alt="Aerial photograph showing a park surrounded by houses." src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/GlenCanyonPark_Satellite_Photo.jpg/250px-GlenCanyonPark_Satellite_Photo.jpg" decoding="async" width="250" height="345" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/GlenCanyonPark_Satellite_Photo.jpg/375px-GlenCanyonPark_Satellite_Photo.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/GlenCanyonPark_Satellite_Photo.jpg/500px-GlenCanyonPark_Satellite_Photo.jpg 2x" data-file-width="516" data-file-height="713" /></a></span><div class="infobox-caption">Aerial photograph of Glen Canyon Park; the Bosworth St., Sussex St., and Diamond Heights Shopping Center entrances are labeled. O'Shaughnessy Blvd. divides Glen Canyon Park (on the east) from O'Shaughnessy Hollow (to the west).</div></td></tr><tr><td colspan="2" class="infobox-image"><a class="mw-kartographer-map notheme mw-kartographer-container center" style="width: 250px; height: 200px;" data-mw-kartographer="mapframe" data-style="osm-intl" data-width="250" data-height="200" data-zoom="10" data-overlays="[&quot;_29d0507d2c92b61402f3dfe1282bd3f0fbae10d7&quot;]"><img src="https://maps.wikimedia.org/img/osm-intl,10,a,a,250x200.png?lang=en&amp;domain=en.wikipedia.org&amp;title=Glen_Canyon_Park&amp;revid=1153855715&amp;groups=_29d0507d2c92b61402f3dfe1282bd3f0fbae10d7" width="250" height="200" decoding="async" srcset="https://maps.wikimedia.org/img/osm-intl,10,a,a,250x200@2x.png?lang=en&amp;domain=en.wikipedia.org&amp;title=Glen_Canyon_Park&amp;revid=1153855715&amp;groups=_29d0507d2c92b61402f3dfe1282bd3f0fbae10d7 2x" alt="Map" /></a></td></tr><tr class="category"><th scope="row" class="infobox-label">Type</th><td class="infobox-data">Municipal (<a href="/wiki/Parks_in_San_Francisco,_California" class="mw-redirect" title="Parks in San Francisco, California">San Francisco</a>)</td></tr><tr class="label"><th scope="row" class="infobox-label">Location</th><td class="infobox-data"><a href="/wiki/San_Francisco" title="San Francisco">San Francisco</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Geographic_coordinate_system" title="Geographic coordinate system">Coordinates</a></th><td class="infobox-data"><span class="geo-inline"><style data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Glen_Canyon_Park&amp;params=37.739_N_122.442_W_type:landmark_region:US-CA"><span class="geo-nondefault"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">37°44′20″N</span> <span class="longitude">122°26′31″W</span></span></span><span class="geo-multi-punct">&#xfeff; / &#xfeff;</span><span class="geo-default"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">37.739°N 122.442°W</span><span style="display:none">&#xfeff; / <span class="geo">37.739; -122.442</span></span></span></a></span></span></td></tr><tr class="note"><th scope="row" class="infobox-label">Area</th><td class="infobox-data">70 acres (0.28&#160;km<sup>2</sup>; 0.11&#160;sq&#160;mi)</td></tr><tr><th scope="row" class="infobox-label">Created</th><td class="infobox-data">1922</td></tr><tr><th scope="row" class="infobox-label">Open</th><td class="infobox-data">All year</td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr class="mergedrow"><th colspan="2" class="infobox-header"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><div style="border:4px solid #FFC94B; line-height: 1.5; text-align: center;"> <a href="/wiki/California_Historical_Landmark" title="California Historical Landmark">California Historical Landmark</a></div></th></tr><tr class="mergedrow"><th scope="row" class="infobox-label">Official name</th><td class="infobox-data">Site of the first dynamite factory in the US<sup id="cite_ref-landmark_1-0" class="reference"><a href="#cite_note-landmark-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr class="mergedrow"><th scope="row" class="infobox-label">Reference&#160;no.</th><td class="infobox-data">1002</td></tr><tr style="display:none"><th colspan="2"> </th></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:GlenCanyonPark_March07.jpg" class="mw-file-description"><img alt="Photograph of a steep slope." src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/GlenCanyonPark_March07.jpg/220px-GlenCanyonPark_March07.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/GlenCanyonPark_March07.jpg/330px-GlenCanyonPark_March07.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bf/GlenCanyonPark_March07.jpg/440px-GlenCanyonPark_March07.jpg 2x" data-file-width="1600" data-file-height="1066" /></a><figcaption>Spring in Glen Canyon Park. <a href="/wiki/Brassica_rapa" title="Brassica rapa">Field mustard</a> in flower clings to the stony canyon walls; <a href="/wiki/Islais_Creek" title="Islais Creek">Islais Creek</a> and its <a href="/wiki/Salix_lasiolepis" title="Salix lasiolepis">willow thickets</a> lie at their base.</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Glen_Canyon_Park_S_from_lookout.jpg" class="mw-file-description"><img alt="Photograph of a steep slope and the canyon bottom." src="//upload.wikimedia.org/wikipedia/en/thumb/d/d6/Glen_Canyon_Park_S_from_lookout.jpg/220px-Glen_Canyon_Park_S_from_lookout.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/d/d6/Glen_Canyon_Park_S_from_lookout.jpg/330px-Glen_Canyon_Park_S_from_lookout.jpg 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/d/d6/Glen_Canyon_Park_S_from_lookout.jpg/440px-Glen_Canyon_Park_S_from_lookout.jpg 2x" data-file-width="2816" data-file-height="2112" /></a><figcaption>Glen Canyon Park in winter. The photograph shows three characteristic features of the park's landscape. The vividly green wild oat (<i><a href="/wiki/Avena" title="Avena">Avena</a> fatua</i>) and slender wild oat (<i><a href="/wiki/Avena" title="Avena">Avena</a> barbata</i>) grasses on the left cover the steep eastern slope of the canyon. The line of <a href="/wiki/Eucalyptus_globulus" title="Eucalyptus globulus">blue gum eucalyptus</a> trees is a windbreak planted in the 1850s following <a href="/wiki/Adolph_Sutro" title="Adolph Sutro">Adolph Sutro</a>'s purchase of this land, which he named his "Gum Tree Ranch". The willow thickets in the bottom and bottom-right of the photograph surround Islais Creek and a small wetland; the wetland is traversed by a boardwalk leading to the trail seen emerging from the thicket.</figcaption></figure> <p><b>Glen Canyon Park</b> is a city park in <a href="/wiki/San_Francisco,_California" class="mw-redirect" title="San Francisco, California">San Francisco</a>, <a href="/wiki/California" title="California">California</a>. It occupies about 70 acres (28&#160;ha) along a deep <a href="/wiki/Canyon" title="Canyon">canyon</a> adjacent to the <a href="/wiki/Glen_Park,_San_Francisco,_California" class="mw-redirect" title="Glen Park, San Francisco, California">Glen Park</a>, <a href="/wiki/Diamond_Heights,_San_Francisco" title="Diamond Heights, San Francisco">Diamond Heights</a>, and Miraloma Park<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Neighborhoods_in_San_Francisco,_California" class="mw-redirect" title="Neighborhoods in San Francisco, California">neighborhoods</a>. <b>O'Shaughnessy Hollow</b> is a rugged, undeveloped 3.6 acres (1.5&#160;ha) tract of parkland that lies immediately to the west and may be considered an extension of Glen Canyon Park. </p><p>The park and hollow offer an experience of San Francisco's diverse terrains as they appeared before the intense development of the region in the late 19th and the 20th centuries. The park incorporates free-flowing <a href="/wiki/Islais_Creek" title="Islais Creek">Islais Creek</a> and the associated <a href="/wiki/Riparian_zone" title="Riparian zone">riparian</a> habitat, an extensive grassland with adjoining trees that supports breeding pairs of <a href="/wiki/Buteo_jamaicensis" class="mw-redirect" title="Buteo jamaicensis">red-tailed hawks</a> and <a href="/wiki/Bubo_virginianus" class="mw-redirect" title="Bubo virginianus">great horned owls</a>, striking rock outcrops, and arid patches covered by "<a href="/wiki/Coastal_sage_scrub" title="Coastal sage scrub">coastal scrub</a>" plant communities. In all, about 63 acres (25&#160;ha) of the park and hollow are designated as undeveloped <i>Natural Area</i>. Elevations in Glen Canyon Park range from approximately 225 feet (69 m) above sea level at the south end of the park to 575 feet (175 m) above sea level at the north end and along the eastern rim of the canyon; the walls of the canyon are extremely steep, with many slopes approaching a length-to-height ratio of 1:1 (100 percent).<sup id="cite_ref-ManagementPlan_3-0" class="reference"><a href="#cite_note-ManagementPlan-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> </p><p>Formal recreational facilities in Glen Canyon Park are mostly located at its southern end (see the aerial photograph). These facilities include a community recreation center, ball fields and tennis courts, playgrounds, and a ropes course. The park is also well used by local rock climbers, who consider it one of the best "bouldering" sites near San Francisco.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> An additional building about halfway up the canyon near Islais Creek serves the Silver Tree Day Camp and the Glenridge Cooperative Nursery School.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p><p>The park is easily entered at its southeastern corner (end of Bosworth Street). Somewhat further north, there is a wooden stairway leading down into the park (the Sussex Street entrance). There are also trails leading into the park from the Diamond Heights Shopping Center. Of one of these, Joseph Stubbs has written, "It is a dramatic, sudden revelation of the park interior from high up, which is simply stunning. It occurs midsection of the park behind Diamond Heights Shopping Center and George Christopher Playground."<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Islais_Creek">Islais Creek</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=1" title="Edit section: Islais Creek"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Islais_Creek" title="Islais Creek">Islais Creek</a></div> <p>A branch of Islais Creek (named after the wild cherry <a href="/wiki/Prunus_ilicifolia" title="Prunus ilicifolia"><i>islay</i></a><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup>) originates in the canyon. It is the largest remaining creek in San Francisco with public access. The bottom of the canyon, where Islais Creek flows, is irregular but moderate in slope, dropping 350 feet (107 m) over a distance of about 1 mile (1.6 kilometer).<sup id="cite_ref-ManagementPlan_3-1" class="reference"><a href="#cite_note-ManagementPlan-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> The creek is surrounded by willow thickets. In earlier times, the creek had an open water channel sustained by a much larger water flow, and was "more of a river than a creek".<sup id="cite_ref-Gaar_8-0" class="reference"><a href="#cite_note-Gaar-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> Urban development has reduced the watershed of Islais Creek by as much as 80 percent.<sup id="cite_ref-ManagementPlan_3-2" class="reference"><a href="#cite_note-ManagementPlan-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> At the southern end of the canyon, Islais Creek enters a culvert which carries it to its exit into San Francisco Bay.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Wildlife">Wildlife</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=2" title="Edit section: Wildlife"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The creek has a meager but year-round natural flow, and the water and resulting vegetation provide a habitat for animals, including <a href="/wiki/Skunk" title="Skunk">skunks</a>, <a href="/wiki/Opossum" title="Opossum">opossums</a>, <a href="/wiki/Raccoon" title="Raccoon">raccoons</a>, <a href="/wiki/Red-tailed_hawk" title="Red-tailed hawk">red-tailed hawks</a>, <a href="/wiki/Red-shouldered_hawk" title="Red-shouldered hawk">red-shouldered hawks</a>, <a href="/wiki/Great_horned_owl" title="Great horned owl">great horned owls</a>, <a href="/wiki/Coyote" title="Coyote">coyotes</a>, and the rare native San Francisco forktail <a href="/wiki/Damselfly" title="Damselfly">damselfly</a>, <i><a href="/wiki/Ischnura_gemina" title="Ischnura gemina">Ischnura gemina</a></i>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">&#91;</span>10<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Geology_and_rock_outcrops">Geology and rock outcrops</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=3" title="Edit section: Geology and rock outcrops"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Glen_Canyon_Park_Chert_Outcrop.jpg" class="mw-file-description"><img alt="Photograph of a rock formation with a road and a car at its bottom." src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Glen_Canyon_Park_Chert_Outcrop.jpg/220px-Glen_Canyon_Park_Chert_Outcrop.jpg" decoding="async" width="220" height="176" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Glen_Canyon_Park_Chert_Outcrop.jpg/330px-Glen_Canyon_Park_Chert_Outcrop.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Glen_Canyon_Park_Chert_Outcrop.jpg/440px-Glen_Canyon_Park_Chert_Outcrop.jpg 2x" data-file-width="2504" data-file-height="2008" /></a><figcaption>Roadcut showing <a href="/wiki/Franciscan_Assemblage" class="mw-redirect" title="Franciscan Assemblage">Franciscan</a> <a href="/wiki/Chert" title="Chert">chert</a> rock in O'Shaughnessy Hollow.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">&#91;</span>11<span class="cite-bracket">&#93;</span></a></sup> The remarkable folding of the stacked layers indicates the <a href="/wiki/Plate_tectonics" title="Plate tectonics">tectonic</a> forces that lifted up the coastal mountain ranges, and which warped the originally planar layers of this rock into the fantastic shapes they now present. The chert itself in this area is rich with fossils of <a href="/wiki/Radiolarian" class="mw-redirect" title="Radiolarian">radiolarian</a> creatures.<sup id="cite_ref-Sloan_12-0" class="reference"><a href="#cite_note-Sloan-12"><span class="cite-bracket">&#91;</span>12<span class="cite-bracket">&#93;</span></a></sup> The land above and around the roadcut has a "<a href="/wiki/Baccharis_pilularis" title="Baccharis pilularis">coyote brush</a> scrub" community of plants that is typically found on thinner, drier soils in this region.<sup id="cite_ref-ManagementPlan_3-3" class="reference"><a href="#cite_note-ManagementPlan-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> The road is O'Shaughnessy Boulevard, which was constructed around 1935.</figcaption></figure> <p>The scenery of Glen Canyon Park is also distinguished by numerous large outcrops of rock. The most striking of these consist of reddish, layered "<a href="/wiki/Franciscan_Assemblage" class="mw-redirect" title="Franciscan Assemblage">Franciscan</a>" <a href="/wiki/Chert" title="Chert">chert</a>. These outcrops have clearly visible banding (see photo) which is due to the different weathering of the layers. </p><p>The bedrock of the canyon is made up of rocks of the Marin Headlands <i><a href="/wiki/Terrane" title="Terrane">terrane</a></i>. The terrane is a large packet of rock that extends diagonally from the Marin Headlands (just north of the <a href="/wiki/Golden_Gate" title="Golden Gate">Golden Gate</a>), through the Twin Peaks and Glen Canyon area, and on to the southeast. This terrane is from 100 to 200 million years old (i.e. the <a href="/wiki/Cretaceous" title="Cretaceous">Cretaceous</a> and <a href="/wiki/Jurassic" title="Jurassic">Jurassic</a> periods).<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">&#91;</span>13<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">&#91;</span>14<span class="cite-bracket">&#93;</span></a></sup> The bedrock of the lower slopes of the canyon - largely hidden under slope debris/ravine fill - is <a href="/wiki/Pillow_lava" title="Pillow lava">pillow lava</a> or greenstone; these erupted from fissures in the deep ocean floor when the terrane was located hundreds of miles southwest of its present location.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">&#91;</span>15<span class="cite-bracket">&#93;</span></a></sup> </p><p>The upper slopes and cliffs are of layered chert, which hardened into rock from the ooze of remains of countless <a href="/wiki/Radiolaria" title="Radiolaria">radiolarian</a> creatures that accumulated on top of the lava. The ooze was colored red by iron from <a href="/wiki/Hydrothermal_circulation" title="Hydrothermal circulation">hydrothermal springs</a>. Both lava and chert were formed in the deep ocean near the equator, and were rafted northeast on the gradually-moving ocean floor toward California. Near shore, <a href="/wiki/Greywacke" title="Greywacke">greywacke</a> accumulated on the chert in some areas, including a small part of the southeast slope of Glen Canyon. <a href="/wiki/Subduction" title="Subduction">Subduction</a> then squeezed the <a href="/wiki/Terrane" title="Terrane">terrane</a> against the continent, and it eventually became part of the <a href="/wiki/Franciscan_Assemblage" class="mw-redirect" title="Franciscan Assemblage">Franciscan formation</a> that makes up much of coastal California. During subduction - 160 to 80 million years ago - and the subsequent uplift, the terrane was twisted, broken and disrupted, and the chert was deformed into the tight folds now visible in road cuts along O'Shaughnessy Boulevard (see photo).<sup id="cite_ref-Sloan_12-1" class="reference"><a href="#cite_note-Sloan-12"><span class="cite-bracket">&#91;</span>12<span class="cite-bracket">&#93;</span></a></sup> </p><p>These rock outcrops provide some of the best outdoor rock climbing in San Francisco, primarily in the form of <a href="/wiki/Bouldering" title="Bouldering">bouldering</a>. </p> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=4" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Sutro's_Gum_Tree_Ranch"><span id="Sutro.27s_Gum_Tree_Ranch"></span>Sutro's Gum Tree Ranch</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=5" title="Edit section: Sutro&#039;s Gum Tree Ranch"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The park's history commences with <a href="/wiki/Adolph_Sutro" title="Adolph Sutro">Adolph Sutro</a>'s purchase in the 1850s of 76 acres (310,000&#160;m<sup>2</sup>) of the canyon, which he named "Gum Tree Ranch" after the <a href="/wiki/Eucalyptus_globulus" title="Eucalyptus globulus">blue gum eucalyptus</a> trees he had planted. </p> <div class="mw-heading mw-heading3"><h3 id="Giant_Powder_Company">Giant Powder Company</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=6" title="Edit section: Giant Powder Company"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The first commercial manufacturing of <a href="/wiki/Dynamite" title="Dynamite">dynamite</a> in the U.S. occurred in the canyon; on March 19, 1868, the <a href="/wiki/Giant_Powder_Company" title="Giant Powder Company">Giant Powder Company</a> began production at its first manufacturing plant, under exclusive license from <a href="/wiki/Alfred_Nobel" title="Alfred Nobel">Alfred Nobel</a> to produce his new explosive in America. The plant was apparently located near the present recreation center, at the southern end of the park.<sup id="cite_ref-Rose_16-0" class="reference"><a href="#cite_note-Rose-16"><span class="cite-bracket">&#91;</span>16<span class="cite-bracket">&#93;</span></a></sup> The factory did not last long. On November 26, 1869, an explosion completely destroyed the entire facility, turning every one of the buildings on the site and the surrounding fencing, into "hundreds of pieces", according to a newspaper account.<sup id="cite_ref-landmark_1-1" class="reference"><a href="#cite_note-landmark-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> Two people were killed, and nine injured; the plant was later rebuilt in the sand dunes south of Golden Gate Park. The site of the plant has been designated as <a href="/wiki/California_Historical_Landmark" title="California Historical Landmark">California Historical Landmark</a> #1002, although no marker has been placed on the site yet.<sup id="cite_ref-landmark_1-2" class="reference"><a href="#cite_note-landmark-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Rose_16-1" class="reference"><a href="#cite_note-Rose-16"><span class="cite-bracket">&#91;</span>16<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Dairy">Dairy</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=7" title="Edit section: Dairy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Good Brothers Dairy was located where Glenridge Cooperative Nursery School is today.<sup id="cite_ref-sfgate/12987633_17-0" class="reference"><a href="#cite_note-sfgate/12987633-17"><span class="cite-bracket">&#91;</span>17<span class="cite-bracket">&#93;</span></a></sup> Cows grazed as early as the 1850s, and likely earlier. The dairy remained until the 1920s.<sup id="cite_ref-sfgate/12987633_17-1" class="reference"><a href="#cite_note-sfgate/12987633-17"><span class="cite-bracket">&#91;</span>17<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-glenparkhistory/c1cvj_18-0" class="reference"><a href="#cite_note-glenparkhistory/c1cvj-18"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="The_Crocker_era">The Crocker era</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=8" title="Edit section: The Crocker era"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 1889, the Crocker Real Estate Company bought the canyon to develop a neighborhood that would attract homebuyers. As Jeanne Alexander has written,<sup id="cite_ref-Alexander_19-0" class="reference"><a href="#cite_note-Alexander-19"><span class="cite-bracket">&#91;</span>19<span class="cite-bracket">&#93;</span></a></sup> </p> <style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style><blockquote class="templatequote"><p>Crocker installed a mini-amusement park with an aviary, a mini-zoo--bears, elephants and monkeys, a bowling alley, and, for extra thrills, hot-air balloon rides, and an intrepid tight-rope walker who performed on a wire stretched across the canyon. From 1907-1922, Glen Canyon Park was operated as a picnic ground -- mainly for adults. Crocker Real Estate added tables and benches, a baseball diamond and a running track. It was fenced and rented to organizations for company picnics that often turned into boisterous drinking brawls. Neighborhood children had to find other places to play.</p></blockquote> <div class="mw-heading mw-heading3"><h3 id="City_park">City park</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=9" title="Edit section: City park"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Crosstown_Freeway_(planned)_-_Glen_Canyon_Park_region.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Crosstown_Freeway_%28planned%29_-_Glen_Canyon_Park_region.jpg/220px-Crosstown_Freeway_%28planned%29_-_Glen_Canyon_Park_region.jpg" decoding="async" width="220" height="304" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Crosstown_Freeway_%28planned%29_-_Glen_Canyon_Park_region.jpg/330px-Crosstown_Freeway_%28planned%29_-_Glen_Canyon_Park_region.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Crosstown_Freeway_%28planned%29_-_Glen_Canyon_Park_region.jpg/440px-Crosstown_Freeway_%28planned%29_-_Glen_Canyon_Park_region.jpg 2x" data-file-width="2284" data-file-height="3152" /></a><figcaption>Map of Glen Canyon Park showing the route proposed in 1958 for the Crosstown Freeway. A citizen movement stopped freeway construction before it had reached Glen Canyon Park.</figcaption></figure> <p>The Crocker era ended in 1922 when the City of San Francisco purchased the 101-acre (0.41&#160;km<sup>2</sup>) Glen Canyon Park and Recreation site.<sup id="cite_ref-Alexander_19-1" class="reference"><a href="#cite_note-Alexander-19"><span class="cite-bracket">&#91;</span>19<span class="cite-bracket">&#93;</span></a></sup> At present, O'Shaughnessy Boulevard defines the western perimeter of Glen Canyon Park. In conjunction with an extension of Bosworth Street, the Boulevard was built in 1935 using roadcuts and filled slopes on the canyon's steep slopes. It was named after <a href="/wiki/Michael_O%27Shaughnessy" title="Michael O&#39;Shaughnessy">Michael O'Shaughnessy</a>, who was for many years the Chief Engineer of the city. The recreation center at the south end of the park was built by the <a href="/wiki/Works_Progress_Administration" title="Works Progress Administration">Works Progress Administration</a> in 1937.<sup id="cite_ref-Gaar_8-1" class="reference"><a href="#cite_note-Gaar-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> </p><p>In 1958, the California State Highway Department proposed a Crosstown Freeway that would have followed Bosworth Street through the neighborhood of Glen Park and then O'Shaughnessy Boulevard through Glen Canyon Park.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">&#91;</span>20<span class="cite-bracket">&#93;</span></a></sup> <sup id="cite_ref-Community_Plan_21-0" class="reference"><a href="#cite_note-Community_Plan-21"><span class="cite-bracket">&#91;</span>21<span class="cite-bracket">&#93;</span></a></sup> The plan was abandoned due to opposition by several groups of residents.<sup id="cite_ref-Alexander_19-2" class="reference"><a href="#cite_note-Alexander-19"><span class="cite-bracket">&#91;</span>19<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Verplanck_22-0" class="reference"><a href="#cite_note-Verplanck-22"><span class="cite-bracket">&#91;</span>22<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Smith_23-0" class="reference"><a href="#cite_note-Smith-23"><span class="cite-bracket">&#91;</span>23<span class="cite-bracket">&#93;</span></a></sup> Six other freeways planned for San Francisco in the late 1940s were cancelled at about the same time; the conflicts over the freeway plan for San Francisco were among the earliest incidents in the <a href="/wiki/Highway_revolts_in_the_United_States" title="Highway revolts in the United States">Highway revolts in the United States</a> of the 1960s and 1970s.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">&#91;</span>24<span class="cite-bracket">&#93;</span></a></sup> </p><p>Six years later, in 1964, homes and businesses along Bosworth Street were demolished in order to greatly widen the section of the street leading to O'Shaughnessy Boulevard.<sup id="cite_ref-Verplanck_22-1" class="reference"><a href="#cite_note-Verplanck-22"><span class="cite-bracket">&#91;</span>22<span class="cite-bracket">&#93;</span></a></sup> </p><p>An undeveloped, very steep area just west of O'Shaughnessy Boulevard was acquired by the City of San Francisco in the 1990s using <a href="/wiki/Eminent_domain" title="Eminent domain">eminent domain</a>. The area was being considered for residential development. The 3.6-acre parcel was named O'Shaughnessy Hollow.<sup id="cite_ref-Gaar_8-2" class="reference"><a href="#cite_note-Gaar-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">&#91;</span>25<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Future_management">Future management</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=10" title="Edit section: Future management"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Mission_blue_butterfly_habitat_conservation" title="Mission blue butterfly habitat conservation">Mission blue butterfly habitat conservation</a></div> <p>The city government of San Francisco mandated the development of management plans for all the "natural areas" under the city's control, and this process culminated in release of the <i>Significant Natural Resources Areas Management Plan</i> in February 2006.<sup id="cite_ref-ManagementPlan_3-4" class="reference"><a href="#cite_note-ManagementPlan-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> The plan favors the re-establishment of native species and species diversity in the city's parks. Some aspects of the plan have been controversial.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">&#91;</span>26<span class="cite-bracket">&#93;</span></a></sup> For example, the plan envisions the removal of some large, mature trees (often eucalyptus, which was imported from Australia) to favor smaller native plants. The plan also includes new restrictions on recreational use of the park, such as the closure of some trails and of some areas for rock climbing, and prohibitions against unleashed dogs. </p><p>In Glen Canyon Park, about 20 mature eucalyptus trees were removed in 2004 as part of an effort to increase the diversity of species living along Islais Creek. The plan envisions the removal of an additional 120 trees (of the total of 6000 trees in the park) to further improve the creek, to increase the extent of the park's grasslands, and to promote forest understory plants. The plan also seeks to restore some open-water areas along the creek, which is nearly totally obscured by the willow thickets. The change in the creek would be established both by re-planting sections of the creek's banks with different plants and by the introduction of "scouring" structures. </p><p>Glen Canyon Park used to support populations of two rare species: the "vulnerable" San Francisco <a href="/wiki/Ischnura_gemina" title="Ischnura gemina">forktailed damselfly</a><sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">&#91;</span>27<span class="cite-bracket">&#93;</span></a></sup> and the "endangered" <a href="/wiki/Icaricia_icarioides_missionensis" class="mw-redirect" title="Icaricia icarioides missionensis">Mission blue butterfly</a>. The plan proposes changes in the management of the park that would promote self-sustaining populations of these insects. The damselfly population in the park was studied by John Hafernik and his colleagues in the 1980s prior to its local extinction; they re-introduced a population of these damselflies in 1996 that persisted for two seasons.<sup id="cite_ref-Hannon_28-0" class="reference"><a href="#cite_note-Hannon-28"><span class="cite-bracket">&#91;</span>28<span class="cite-bracket">&#93;</span></a></sup> The damselflies need open water habitat, which has proven difficult to maintain. </p><p>There has been a declining population of Mission blue butterflies at the nearly contiguous <a href="/wiki/Twin_Peaks,_San_Francisco,_California" class="mw-redirect" title="Twin Peaks, San Francisco, California">Twin Peaks</a> Natural Area; while park employees logged about 150 butterflies in the 1980s, only four were found between 2001 and 2007. A reintroduction was done in April 2009.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">&#91;</span>29<span class="cite-bracket">&#93;</span></a></sup> Reintroduction may also be possible in Glen Canyon Park. Here the main issue appears to be re-establishing the native plant "<a href="/wiki/Lupinus_albifrons" title="Lupinus albifrons">silver bush lupine</a>", whose leaves are the larval food of these butterflies. A substantial fraction of Glen Canyon Park is now covered by non-native species including <a href="/wiki/Eucalyptus" title="Eucalyptus">eucalyptus</a> forest (17 acres), <a href="/wiki/French_broom" class="mw-redirect" title="French broom">French broom</a> (6 acres), and <a href="/wiki/Brassica_rapa" title="Brassica rapa">field mustard</a>,<sup id="cite_ref-ManagementPlan_3-5" class="reference"><a href="#cite_note-ManagementPlan-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> but no specific proposal for re-introduction of the lupine was included in the Management Plan. </p> <div class="mw-heading mw-heading2"><h2 id="Urban_planning">Urban planning</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=11" title="Edit section: Urban planning"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The importance of Glen Canyon Park to its surrounding neighborhoods is indicated by a recent community plan for <a href="/wiki/Glen_Park,_San_Francisco,_California" class="mw-redirect" title="Glen Park, San Francisco, California">Glen Park</a> that contains the following statement: "The Glen Park community's special character is created by the unique combination of eclectic building styles, pedestrian scale, the layering of green space and buildings climbing into the canyon, public spaces, walkable streets, a compact village, and proximity to transit and the canyon. Every new development project, whether public or private, must incorporate these features based on principles of good design and human scale.<sup id="cite_ref-Community_Plan_21-1" class="reference"><a href="#cite_note-Community_Plan-21"><span class="cite-bracket">&#91;</span>21<span class="cite-bracket">&#93;</span></a></sup>" </p><p>A section of Bosworth Street connects the southern entrance to Glen Canyon Park with the central commercial district of Glen Park that lies about a third of a mile east. This section presents an important opportunity for <a href="/wiki/Urban_planning" title="Urban planning">urban design</a> because the properties along the north side have remained undeveloped since their acquisition by the City in the 1950s. The community plan proposes that this land be developed into a greenway and pedestrian plaza. The plan also suggests that <a href="/wiki/Islais_Creek" title="Islais Creek">Islais Creek</a>, which runs underneath this section of Bosworth Street, be <a href="/wiki/Daylighting_(streams)" title="Daylighting (streams)">"daylighted"</a> in this section. The plan was formally endorsed by the San Francisco Planning Commission in 2004,<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">&#91;</span>30<span class="cite-bracket">&#93;</span></a></sup> but implementation has not been funded as of 2007. </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=12" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-landmark-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-landmark_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-landmark_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-landmark_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://ohp.parks.ca.gov/?page_id=21482">"California Historical Landmark: San Francisco County"</a>. <i>Office of Historic Preservation</i>. California State Parks<span class="reference-accessdate">. Retrieved <span class="nowrap">2012-10-14</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Office+of+Historic+Preservation&amp;rft.atitle=California+Historical+Landmark%3A+San+Francisco+County&amp;rft_id=http%3A%2F%2Fohp.parks.ca.gov%2F%3Fpage_id%3D21482&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://miralomapark.org/">"Miraloma Park Improvement Club"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2018-11-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Miraloma+Park+Improvement+Club&amp;rft_id=https%3A%2F%2Fmiralomapark.org%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-ManagementPlan-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-ManagementPlan_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ManagementPlan_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ManagementPlan_3-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-ManagementPlan_3-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-ManagementPlan_3-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-ManagementPlan_3-5"><sup><i><b>f</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090319190804/http://www.parks.sfgov.org/wcm_recpark/SNRA50/Sections/6.3%20O%27Shaughnessy%20Glen%20Park.pdf">"Glen Canyon Park and O'Shaughnessy Hollow"</a> <span class="cs1-format">(PDF)</span>. San Francisco Recreation and Parks Department. 2006. Archived from <a rel="nofollow" class="external text" href="http://www.parks.sfgov.org/wcm_recpark/SNRA50/Sections/6.3%20O&#39;Shaughnessy%20Glen%20Park.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2009-03-19.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Glen+Canyon+Park+and+O%27Shaughnessy+Hollow&amp;rft.pub=San+Francisco+Recreation+and+Parks+Department&amp;rft.date=2006&amp;rft_id=http%3A%2F%2Fwww.parks.sfgov.org%2Fwcm_recpark%2FSNRA50%2FSections%2F6.3%2520O%27Shaughnessy%2520Glen%2520Park.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span> This section of a longer report contains several detailed maps on "Soils, Land Features, and Trails", "Vegetation", and "Sensitive Species and Bird Habitat". The full report is <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20080314113428/http://www.parks.sfgov.org/site/recpark_index.asp?id=32662">"Significant Natural Resources Areas Management Plan"</a>. San Francisco Recreation and Parks Department. 2006. Archived from <a rel="nofollow" class="external text" href="http://www.parks.sfgov.org/site/recpark_index.asp?id=32662">the original</a> on 2008-03-14.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Significant+Natural+Resources+Areas+Management+Plan&amp;rft.pub=San+Francisco+Recreation+and+Parks+Department&amp;rft.date=2006&amp;rft_id=http%3A%2F%2Fwww.parks.sfgov.org%2Fsite%2Frecpark_index.asp%3Fid%3D32662&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCumminsJensen2003" class="citation web cs1">Cummins, Clint; Jensen, Marc (2003). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130610072245/http://www.stanford.edu/~clint/ba/">"Bouldering, Buildering and Climbing in the San Francisco Bay Region"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.stanford.edu/~clint/ba/">the original</a> on 2013-06-10.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Bouldering%2C+Buildering+and+Climbing+in+the+San+Francisco+Bay+Region&amp;rft.date=2003&amp;rft.aulast=Cummins&amp;rft.aufirst=Clint&amp;rft.au=Jensen%2C+Marc&amp;rft_id=http%3A%2F%2Fwww.stanford.edu%2F~clint%2Fba%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.glenridgecoop.org/">"Glenridge Cooperative Nursery School"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">February 26,</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Glenridge+Cooperative+Nursery+School&amp;rft_id=http%3A%2F%2Fwww.glenridgecoop.org%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStubbs2001" class="citation web cs1">Stubbs, Joseph (2001). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080220195020/http://www.josephstubbscreations.com/Home2/sf/sfparks/glencanyon/glencanyon.html">"Glen Canyon"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.josephstubbscreations.com/Home2/sf/sfparks/glencanyon/glencanyon.html">the original</a> on 2008-02-20.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Glen+Canyon&amp;rft.date=2001&amp;rft.aulast=Stubbs&amp;rft.aufirst=Joseph&amp;rft_id=http%3A%2F%2Fwww.josephstubbscreations.com%2FHome2%2Fsf%2Fsfparks%2Fglencanyon%2Fglencanyon.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span> Stubbs rates Glen Canyon Park as the third most attractive in San Francisco.</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGudde1946" class="citation journal cs1">Gudde, Erwin G. (July 1946). "The Solution of the Islay Problem". <i>California Folklore Quarterly</i>. <b>5</b> (3): 298–299. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.2307%2F1495525">10.2307/1495525</a>. <a href="/wiki/JSTOR_(identifier)" class="mw-redirect" title="JSTOR (identifier)">JSTOR</a>&#160;<a rel="nofollow" class="external text" href="https://www.jstor.org/stable/1495525">1495525</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=California+Folklore+Quarterly&amp;rft.atitle=The+Solution+of+the+Islay+Problem&amp;rft.volume=5&amp;rft.issue=3&amp;rft.pages=298-299&amp;rft.date=1946-07&amp;rft_id=info%3Adoi%2F10.2307%2F1495525&amp;rft_id=https%3A%2F%2Fwww.jstor.org%2Fstable%2F1495525%23id-name%3DJSTOR&amp;rft.aulast=Gudde&amp;rft.aufirst=Erwin+G.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span> Gudde found old documents that establish that Islais Creek was originally named after the islay shrub, despite the paucity of islay in this region in recent times.</span> </li> <li id="cite_note-Gaar-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-Gaar_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Gaar_8-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Gaar_8-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGaarMiller2006" class="citation book cs1">Gaar, Greg; Miller, Ryder W. (2006). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/sanfrancisconatu00gaar"><i>San Francisco: A Natural History</i></a></span>. San Francisco: Arcadia Publishing Co. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/9780738529875" title="Special:BookSources/9780738529875"><bdi>9780738529875</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/70705593">70705593</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=San+Francisco%3A+A+Natural+History&amp;rft.place=San+Francisco&amp;rft.pub=Arcadia+Publishing+Co.&amp;rft.date=2006&amp;rft_id=info%3Aoclcnum%2F70705593&amp;rft.isbn=9780738529875&amp;rft.aulast=Gaar&amp;rft.aufirst=Greg&amp;rft.au=Miller%2C+Ryder+W.&amp;rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsanfrancisconatu00gaar&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSharpsteen1941" class="citation journal cs1">Sharpsteen, William Crittenden (June 1941). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080215231216/http://www.sfmuseum.org/hist5/vanish.html">"Vanished Waters of Southeastern San Francisco"</a>. <i>California Historical Society Quarterly</i>. <b>XXI</b> (2). Archived from <a rel="nofollow" class="external text" href="http://www.sfmuseum.org/hist5/vanish.html">the original</a> on 2008-02-15.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=California+Historical+Society+Quarterly&amp;rft.atitle=Vanished+Waters+of+Southeastern+San+Francisco&amp;rft.volume=XXI&amp;rft.issue=2&amp;rft.date=1941-06&amp;rft.aulast=Sharpsteen&amp;rft.aufirst=William+Crittenden&amp;rft_id=http%3A%2F%2Fwww.sfmuseum.org%2Fhist5%2Fvanish.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090331194016/http://www.parks.sfgov.org/wcm_recpark/Volunteer/42_GlenCanyonBrochure0508v4.pdf">"Glen Canyon Park, San Francisco"</a> <span class="cs1-format">(PDF)</span>. San Francisco Recreation and Parks. Archived from <a rel="nofollow" class="external text" href="http://www.parks.sfgov.org/wcm_recpark/Volunteer/42_GlenCanyonBrochure0508v4.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2009-03-31<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-04-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Glen+Canyon+Park%2C+San+Francisco&amp;rft.pub=San+Francisco+Recreation+and+Parks&amp;rft_id=http%3A%2F%2Fwww.parks.sfgov.org%2Fwcm_recpark%2FVolunteer%2F42_GlenCanyonBrochure0508v4.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span> Park brochure.</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWahrhaftig1984" class="citation book cs1"><a href="/wiki/Clyde_Wahrhaftig" title="Clyde Wahrhaftig">Wahrhaftig, Clyde</a> (1984). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=wa9wQ317NA8C&amp;pg=PA29"><i>A streetcar to subduction and other plate tectonic trips by public transport in San Francisco</i></a>. American Geophysical Union. pp.&#160;29–32. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-87590-234-0" title="Special:BookSources/978-0-87590-234-0"><bdi>978-0-87590-234-0</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/10097997">10097997</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=A+streetcar+to+subduction+and+other+plate+tectonic+trips+by+public+transport+in+San+Francisco&amp;rft.pages=29-32&amp;rft.pub=American+Geophysical+Union&amp;rft.date=1984&amp;rft_id=info%3Aoclcnum%2F10097997&amp;rft.isbn=978-0-87590-234-0&amp;rft.aulast=Wahrhaftig&amp;rft.aufirst=Clyde&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dwa9wQ317NA8C%26pg%3DPA29&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span> See figures 24 and 25 in particular.</span> </li> <li id="cite_note-Sloan-12"><span class="mw-cite-backlink">^ <a href="#cite_ref-Sloan_12-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Sloan_12-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSloan2006" class="citation book cs1">Sloan, Doris (2006). <i>Geology of the San Francisco Bay Region</i>. University of California Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-520-24126-8" title="Special:BookSources/978-0-520-24126-8"><bdi>978-0-520-24126-8</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/646996775">646996775</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Geology+of+the+San+Francisco+Bay+Region&amp;rft.pub=University+of+California+Press&amp;rft.date=2006&amp;rft_id=info%3Aoclcnum%2F646996775&amp;rft.isbn=978-0-520-24126-8&amp;rft.aulast=Sloan&amp;rft.aufirst=Doris&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBlakeHowellJayko1984" class="citation book cs1">Blake, M. C.; Howell, D. G.; Jayko, A. S. (1984). "Tectostratigraphic Terranes of the San Francisco Bay Region". In Blake, M. C. (ed.). <i>Franciscan Geology of Northern California</i>. Los Angeles: The Society of Economic Paleontologists and Mineralogists. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/923574820">923574820</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Tectostratigraphic+Terranes+of+the+San+Francisco+Bay+Region&amp;rft.btitle=Franciscan+Geology+of+Northern+California&amp;rft.place=Los+Angeles&amp;rft.pub=The+Society+of+Economic+Paleontologists+and+Mineralogists&amp;rft.date=1984&amp;rft_id=info%3Aoclcnum%2F923574820&amp;rft.aulast=Blake&amp;rft.aufirst=M.+C.&amp;rft.au=Howell%2C+D.+G.&amp;rft.au=Jayko%2C+A.+S.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBlake,_M._C.;_Howell,_D._G.;_Jones,_David_Lawrence1982" class="citation map cs1">Blake, M. C.; Howell, D. G.; Jones, David Lawrence (1982). <a rel="nofollow" class="external text" href="https://pubs.er.usgs.gov/usgspubs/ofr/ofr82593"><i>Preliminary tectonostratigraphic terrane map of California</i></a> (Map). United States Geological Survey<span class="reference-accessdate">. Retrieved <span class="nowrap">May 16,</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Preliminary+tectonostratigraphic+terrane+map+of+California&amp;rft.pub=United+States+Geological+Survey&amp;rft.date=1982&amp;rft.au=Blake%2C+M.+C.%3B+Howell%2C+D.+G.%3B+Jones%2C+David+Lawrence&amp;rft_id=https%3A%2F%2Fpubs.er.usgs.gov%2Fusgspubs%2Fofr%2Fofr82593&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_map" title="Template:Cite map">cite map</a>}}</code>: CS1 maint: multiple names: authors list (<a href="/wiki/Category:CS1_maint:_multiple_names:_authors_list" title="Category:CS1 maint: multiple names: authors list">link</a>)</span> Report 82-593.</span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBonilla,_M._G.1971" class="citation map cs1">Bonilla, M. G. (1971). <a rel="nofollow" class="external text" href="https://ngmdb.usgs.gov/Prodesc/proddesc_2733.htm"><i>Preliminary geologic map of the San Francisco South quadrangle and part of the Hunters Point quadrangle, California</i></a> (Map). United States Geological Survey<span class="reference-accessdate">. Retrieved <span class="nowrap">February 11,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Preliminary+geologic+map+of+the+San+Francisco+South+quadrangle+and+part+of+the+Hunters+Point+quadrangle%2C+California&amp;rft.pub=United+States+Geological+Survey&amp;rft.date=1971&amp;rft.au=Bonilla%2C+M.+G.&amp;rft_id=http%3A%2F%2Fngmdb.usgs.gov%2FProdesc%2Fproddesc_2733.htm&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span> Miscellaneous Field Studies Map MF-311.</span> </li> <li id="cite_note-Rose-16"><span class="mw-cite-backlink">^ <a href="#cite_ref-Rose_16-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Rose_16-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRose2007–2008" class="citation journal cs1">Rose, Evelyn (Winter 2007–2008). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080410144052/http://www.glenparkassociation.org/news/GlenParkNewsWin07-08Web.pdf">"Explosive Revelation: Glen Canyon Ties to the Nobel Prize"</a> <span class="cs1-format">(PDF)</span>. <i>Glen Park News</i>. <b>25</b> (4): 12–13. Archived from <a rel="nofollow" class="external text" href="http://www.glenparkassociation.org/news/GlenParkNewsWin07-08Web.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2008-04-10.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Glen+Park+News&amp;rft.atitle=Explosive+Revelation%3A+Glen+Canyon+Ties+to+the+Nobel+Prize&amp;rft.ssn=winter&amp;rft.volume=25&amp;rft.issue=4&amp;rft.pages=12-13&amp;rft.date=2007%2F2008&amp;rft.aulast=Rose&amp;rft.aufirst=Evelyn&amp;rft_id=http%3A%2F%2Fwww.glenparkassociation.org%2Fnews%2FGlenParkNewsWin07-08Web.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-sfgate/12987633-17"><span class="mw-cite-backlink">^ <a href="#cite_ref-sfgate/12987633_17-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-sfgate/12987633_17-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGraff2018" class="citation news cs1">Graff, Amy (18 June 2018). <a rel="nofollow" class="external text" href="https://www.sfgate.com/sfhistory/article/Glen-Park-San-Francisco-history-Mission-Zoo-Morro-12987633.php">"This San Francisco neighborhood had an actual castle: Glen Park then and now"</a>. <i><a href="/wiki/SFGATE" class="mw-redirect" title="SFGATE">SFGATE</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">8 February</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=SFGATE&amp;rft.atitle=This+San+Francisco+neighborhood+had+an+actual+castle%3A+Glen+Park+then+and+now&amp;rft.date=2018-06-18&amp;rft.aulast=Graff&amp;rft.aufirst=Amy&amp;rft_id=https%3A%2F%2Fwww.sfgate.com%2Fsfhistory%2Farticle%2FGlen-Park-San-Francisco-history-Mission-Zoo-Morro-12987633.php&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-glenparkhistory/c1cvj-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-glenparkhistory/c1cvj_18-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.glenparkhistory.org/glen-canyon-c1cvj">"The History of Glen Canyon"</a>. <i>Glen Park Neighborhoods History Project</i><span class="reference-accessdate">. Retrieved <span class="nowrap">8 February</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Glen+Park+Neighborhoods+History+Project&amp;rft.atitle=The+History+of+Glen+Canyon&amp;rft_id=https%3A%2F%2Fwww.glenparkhistory.org%2Fglen-canyon-c1cvj&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-Alexander-19"><span class="mw-cite-backlink">^ <a href="#cite_ref-Alexander_19-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Alexander_19-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Alexander_19-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAlexander" class="citation web cs1">Alexander, Jeanne. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080725001616/http://sfnpc.org/glencanyonhistory">"Glen Canyon Park and Rec Center"</a>. Neighborhood Parks Council. Archived from <a rel="nofollow" class="external text" href="http://www.sfnpc.org/glencanyonhistory">the original</a> on 2008-07-25.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Glen+Canyon+Park+and+Rec+Center&amp;rft.pub=Neighborhood+Parks+Council&amp;rft.aulast=Alexander&amp;rft.aufirst=Jeanne&amp;rft_id=http%3A%2F%2Fwww.sfnpc.org%2Fglencanyonhistory&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation report cs1"><a rel="nofollow" class="external text" href="https://archive.org/details/preliminaryrepor1958dele">Crosstown Freeway: Preliminary Report and Plans - San Francisco, California</a> (Report). De Leuw, Cather, &amp; Company. February 1958. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/34765956">34765956</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=report&amp;rft.btitle=Crosstown+Freeway%3A+Preliminary+Report+and+Plans+-+San+Francisco%2C+California&amp;rft.pub=De+Leuw%2C+Cather%2C+%26+Company&amp;rft.date=1958-02&amp;rft_id=info%3Aoclcnum%2F34765956&amp;rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fpreliminaryrepor1958dele&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span> The planned Crosstown Freeway would have traversed Glen Canyon Park; see <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://archive.org/details/preliminaryrepor1958dele/page/n83">"Plate IV"</a>. August 1957.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Plate+IV&amp;rft.date=1957-08&amp;rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fpreliminaryrepor1958dele%2Fpage%2Fn83&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-Community_Plan-21"><span class="mw-cite-backlink">^ <a href="#cite_ref-Community_Plan_21-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Community_Plan_21-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090430232445/http://www.sfgov.org/site/uploadedfiles/planning/citywide/pdf/gpdplowres.pdf">"Glen Park Community Plan Summary"</a> <span class="cs1-format">(PDF)</span>. San Francisco Planning Department. November 2003. Archived from <a rel="nofollow" class="external text" href="http://www.sfgov.org/site/uploadedfiles/planning/citywide/pdf/gpdplowres.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2009-04-30.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Glen+Park+Community+Plan+Summary&amp;rft.pub=San+Francisco+Planning+Department&amp;rft.date=2003-11&amp;rft_id=http%3A%2F%2Fwww.sfgov.org%2Fsite%2Fuploadedfiles%2Fplanning%2Fcitywide%2Fpdf%2Fgpdplowres.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-Verplanck-22"><span class="mw-cite-backlink">^ <a href="#cite_ref-Verplanck_22-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Verplanck_22-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFVerplanck2001" class="citation news cs1">Verplanck, Christopher P. (December 2001). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070928094254/http://www.sfaa.org/0112verplanck.html">"Glen Park — The Architecture and Social History"</a>. <i>San Francisco Apartment Magazine</i>. Archived from <a rel="nofollow" class="external text" href="http://www.sfaa.org/0112verplanck.html">the original</a> on 2007-09-28.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=San+Francisco+Apartment+Magazine&amp;rft.atitle=Glen+Park+%E2%80%94+The+Architecture+and+Social+History&amp;rft.date=2001-12&amp;rft.aulast=Verplanck&amp;rft.aufirst=Christopher+P.&amp;rft_id=http%3A%2F%2Fwww.sfaa.org%2F0112verplanck.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-Smith-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-Smith_23-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSmith2007" class="citation book cs1">Smith, Emma Bland (2007). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Q9tbetmxz0AC&amp;pg=PA83"><i>San Francisco's Glen Park and Diamond Heights</i></a>. Arcadia Publishing. p.&#160;83. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/9780738547510" title="Special:BookSources/9780738547510"><bdi>9780738547510</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=San+Francisco%27s+Glen+Park+and+Diamond+Heights&amp;rft.pages=83&amp;rft.pub=Arcadia+Publishing&amp;rft.date=2007&amp;rft.isbn=9780738547510&amp;rft.aulast=Smith&amp;rft.aufirst=Emma+Bland&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DQ9tbetmxz0AC%26pg%3DPA83&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGillham2002" class="citation book cs1">Gillham, Oliver (2002). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=LCCvnLt2AbcC&amp;pg=PA49"><i>The Limitless City: A Primer on the Urban Sprawl Debate</i></a>. Alex S. MacLean (aerial photographs). Island Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/1-55963-833-8" title="Special:BookSources/1-55963-833-8"><bdi>1-55963-833-8</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/916653558">916653558</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Limitless+City%3A+A+Primer+on+the+Urban+Sprawl+Debate&amp;rft.pub=Island+Press&amp;rft.date=2002&amp;rft_id=info%3Aoclcnum%2F916653558&amp;rft.isbn=1-55963-833-8&amp;rft.aulast=Gillham&amp;rft.aufirst=Oliver&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DLCCvnLt2AbcC%26pg%3DPA49&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation journal cs1"><a rel="nofollow" class="external text" href="https://books.google.com/books?id=xYZMAQAAIAAJ">"Resolution 513-94"</a>. <i>Journal of Proceedings, Board of Supervisors, City and County of San Francisco</i>. <b>89</b>: 446. 1994. <q>Resolution 513-94. Adopted. Resolution authorizaing acquisition of Lot 76 of Assessor's Block 2949A (O'Shaughnessy Hollow) by eminent domain for the Open Space Program, and to adopt findings pursuant to City Planning Code Section 101.1. (Real Estate Department)</q></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Journal+of+Proceedings%2C+Board+of+Supervisors%2C+City+and+County+of+San+Francisco&amp;rft.atitle=Resolution+513-94&amp;rft.volume=89&amp;rft.pages=446&amp;rft.date=1994&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DxYZMAQAAIAAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJones2005" class="citation news cs1">Jones, Carolyn (July 1, 2005). <a rel="nofollow" class="external text" href="http://sfgate.com/cgi-bin/article.cgi?f=/c/a/2005/07/01/WBG9NDEB131.DTL">"Dog owners hope to bury parks proposal; Plant restoration may mean more bans, they fear"</a>. <i>San Francisco Chronicle</i>. p.&#160;F-1.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=San+Francisco+Chronicle&amp;rft.atitle=Dog+owners+hope+to+bury+parks+proposal%3B+Plant+restoration+may+mean+more+bans%2C+they+fear&amp;rft.pages=F-1&amp;rft.date=2005-07-01&amp;rft.aulast=Jones&amp;rft.aufirst=Carolyn&amp;rft_id=http%3A%2F%2Fsfgate.com%2Fcgi-bin%2Farticle.cgi%3Ff%3D%2Fc%2Fa%2F2005%2F07%2F01%2FWBG9NDEB131.DTL&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAbbott2007" class="citation web cs1">Abbott, J.C. (2007). <a rel="nofollow" class="external text" href="http://www.iucnredlist.org/details/10858/summ">"Ischnura gemina"</a>. <i>IUCN Red List of Threatened Species</i>. International Union for Conservation of Nature and Natural Resources<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-04-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=IUCN+Red+List+of+Threatened+Species&amp;rft.atitle=Ischnura+gemina&amp;rft.date=2007&amp;rft.aulast=Abbott&amp;rft.aufirst=J.C.&amp;rft_id=http%3A%2F%2Fwww.iucnredlist.org%2Fdetails%2F10858%2Fsumm&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-Hannon-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-Hannon_28-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHannonHafernik2007" class="citation journal cs1">Hannon, Eugene R.; Hafernik, John E. (2007). "Reintroduction of the rare damselfly <i>Ischnura gemina</i> (Odonata: Coenagrionidae) into an urban California park". <i>Journal of Insect Conservation</i>. <b>11</b> (2): 141–149. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2Fs10841-006-9027-8">10.1007/s10841-006-9027-8</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:32161347">32161347</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Journal+of+Insect+Conservation&amp;rft.atitle=Reintroduction+of+the+rare+damselfly+Ischnura+gemina+%28Odonata%3A+Coenagrionidae%29+into+an+urban+California+park&amp;rft.volume=11&amp;rft.issue=2&amp;rft.pages=141-149&amp;rft.date=2007&amp;rft_id=info%3Adoi%2F10.1007%2Fs10841-006-9027-8&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A32161347%23id-name%3DS2CID&amp;rft.aulast=Hannon&amp;rft.aufirst=Eugene+R.&amp;rft.au=Hafernik%2C+John+E.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation pressrelease cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100416051337/http://www.sfgov.org/site/uploadedfiles/recpark/missionbluebutterflyFINAL.pdf">"Endangered Mission Blue Butterfly returns April 16 to Twin Peaks: Planned Reintroduction Critical to Survival of Species"</a> <span class="cs1-format">(PDF)</span> (Press release). City and County of San Francisco, Recreation and Park Department. 2009-04-15. Archived from <a rel="nofollow" class="external text" href="http://sfgov.org/site/uploadedfiles/recpark/missionbluebutterflyFINAL.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2010-04-16<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-04-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Endangered+Mission+Blue+Butterfly+returns+April+16+to+Twin+Peaks%3A+Planned+Reintroduction+Critical+to+Survival+of+Species&amp;rft.pub=City+and+County+of+San+Francisco%2C+Recreation+and+Park+Department&amp;rft.date=2009-04-15&amp;rft_id=http%3A%2F%2Fsfgov.org%2Fsite%2Fuploadedfiles%2Frecpark%2FmissionbluebutterflyFINAL.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-30">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090328043808/http://www.sfgov.org/site/planning_index.asp?id=25079">"Glen Park Draft Plan: Update"</a>. San Francisco City and County Planning Department. Archived from <a rel="nofollow" class="external text" href="http://www.sfgov.org/site/planning_index.asp?id=25079">the original</a> on 2009-03-28.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Glen+Park+Draft+Plan%3A+Update&amp;rft.pub=San+Francisco+City+and+County+Planning+Department&amp;rft_id=http%3A%2F%2Fwww.sfgov.org%2Fsite%2Fplanning_index.asp%3Fid%3D25079&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=13" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.museumca.org/creeks/1630-RescIslais.html">"Guide to San Francisco Bay Area Creeks - Islais Creek"</a>. <a href="/wiki/Oakland_Museum_of_California" title="Oakland Museum of California">Oakland Museum of California</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2018-10-31</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Guide+to+San+Francisco+Bay+Area+Creeks+-+Islais+Creek&amp;rft.pub=Oakland+Museum+of+California&amp;rft_id=http%3A%2F%2Fwww.museumca.org%2Fcreeks%2F1630-RescIslais.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glen_Canyon_Park&amp;action=edit&amp;section=14" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; 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Retrieved <span class="nowrap">2018-10-31</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Bay+Area+Hiker%3A+Glen+Canyon+Park&amp;rft.date=2015&amp;rft.aulast=Huber&amp;rft.aufirst=Jane&amp;rft_id=http%3A%2F%2Fwww.bahiker.com%2Fsfhikes%2Fglencanyon.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlen+Canyon+Park" class="Z3988"></span> A detailed guide for the urban hiker.</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl 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href="/wiki/Alcatraz_Island" title="Alcatraz Island">Alcatraz</a></li> <li><a href="/wiki/San_Francisco%E2%80%93Oakland_Bay_Bridge" title="San Francisco–Oakland Bay Bridge">Bay Bridge</a></li> <li><a href="/wiki/San_Francisco_cable_car_system" title="San Francisco cable car system">Cable cars</a></li> <li><a href="/wiki/Castro_District,_San_Francisco" title="Castro District, San Francisco">The Castro</a></li> <li><a href="/wiki/Chinatown,_San_Francisco" title="Chinatown, San Francisco">Chinatown</a></li> <li><a href="/wiki/San_Francisco_City_Hall" title="San Francisco City Hall">City Hall</a> and <a href="/wiki/Civic_Center,_San_Francisco" title="Civic Center, San Francisco">Civic Center</a></li> <li><a href="/wiki/Cliff_House,_San_Francisco" title="Cliff House, San Francisco">Cliff House</a></li> <li><a href="/wiki/Coit_Tower" title="Coit Tower">Coit Tower</a></li> <li><a href="/wiki/F_Market_%26_Wharves" title="F Market &amp; Wharves">F-Market Streetcar</a></li> <li><a href="/wiki/Fairmont_San_Francisco" title="Fairmont San Francisco">Fairmont Hotel</a></li> <li><a href="/wiki/Federal_Reserve_Bank_of_San_Francisco" title="Federal Reserve Bank of San Francisco">Federal Reserve Bank</a></li> <li><a href="/wiki/San_Francisco_Ferry_Building" title="San Francisco Ferry Building">Ferry Building</a></li> <li><a href="/wiki/Fisherman%27s_Wharf,_San_Francisco" title="Fisherman&#39;s Wharf, San Francisco">Fisherman's Wharf</a></li> <li><a href="/wiki/Fort_Mason" title="Fort Mason">Fort Mason</a></li> <li><a href="/wiki/Fort_Point_National_Historic_Site" title="Fort Point National Historic Site">Fort Point</a></li> <li><a href="/wiki/Ghirardelli_Square" title="Ghirardelli Square">Ghirardelli Square</a></li> <li><a href="/wiki/Golden_Gate_Bridge" title="Golden Gate Bridge">Golden Gate Bridge</a></li> <li><a href="/wiki/Grace_Cathedral,_San_Francisco" title="Grace Cathedral, San Francisco">Grace Cathedral</a></li> <li><a href="/wiki/Haight-Ashbury" title="Haight-Ashbury">Haight-Ashbury</a></li> <li><a href="/wiki/Jack_Kerouac_Alley" title="Jack Kerouac Alley">Jack Kerouac Alley</a></li> <li><a href="/wiki/Lombard_Street_(San_Francisco)" title="Lombard Street (San Francisco)">Lombard Street</a></li> <li><a href="/wiki/Magowan%27s_Infinite_Mirror_Maze" title="Magowan&#39;s Infinite Mirror Maze">Magowan's Infinite Mirror Maze</a></li> <li><a href="/wiki/Main_Library_(San_Francisco)" title="Main Library (San Francisco)">Main Library</a></li> <li><a href="/wiki/Mark_Hopkins_Hotel" title="Mark Hopkins Hotel">Mark Hopkins Hotel</a></li> <li><a href="/wiki/Market_Street_(San_Francisco)" title="Market Street (San Francisco)">Market Street</a></li> <li><a href="/wiki/Mission_San_Francisco_de_As%C3%ADs" title="Mission San Francisco de Asís">Mission Dolores</a></li> <li><a href="/wiki/Nob_Hill,_San_Francisco" title="Nob Hill, San Francisco">Nob Hill</a></li> <li><a href="/wiki/North_Beach,_San_Francisco" title="North Beach, San Francisco">North Beach</a></li> <li><a href="/wiki/Old_San_Francisco_Mint" title="Old San Francisco Mint">Old U.S. Mint</a></li> <li><a href="/wiki/Painted_ladies" title="Painted ladies">Painted ladies</a></li> <li><a href="/wiki/Palace_of_Fine_Arts" title="Palace of Fine Arts">Palace of Fine Arts</a></li> <li><a href="/wiki/San_Francisco_Peace_Pagoda" title="San Francisco Peace Pagoda">Peace Pagoda</a></li> <li><a href="/wiki/Pier_39" title="Pier 39">Pier 39</a></li> <li><a href="/wiki/Sutro_Baths" title="Sutro Baths">Sutro Baths</a></li> <li><a href="/wiki/Sutro_Tower" title="Sutro Tower">Sutro Tower</a></li> <li><a href="/wiki/Transamerica_Pyramid" title="Transamerica Pyramid">Transamerica Pyramid</a></li> <li><a href="/wiki/Treasure_Island,_San_Francisco" title="Treasure Island, San Francisco">Treasure Island</a></li> <li><a href="/wiki/Union_Square,_San_Francisco" title="Union Square, San Francisco">Union Square</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Museums<br />and art</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Asian_Art_Museum_(San_Francisco)" title="Asian Art Museum (San Francisco)">Asian Art Museum</a></li> <li><a href="/wiki/Aquarium_of_the_Bay" title="Aquarium of the Bay">Aquarium of the Bay</a></li> <li><a href="/wiki/San_Francisco_Cable_Car_Museum" title="San Francisco Cable Car Museum">Cable Car Museum</a></li> <li><a href="/wiki/California_Academy_of_Sciences" title="California Academy of Sciences">California Academy of Sciences</a></li> <li><a href="/wiki/California_Historical_Society" title="California Historical Society">California Historical Society</a></li> <li><a href="/wiki/Cartoon_Art_Museum" title="Cartoon Art Museum">Cartoon Art Museum</a></li> <li><a href="/wiki/Children%27s_Creativity_Museum" title="Children&#39;s Creativity Museum">Children's Creativity Museum</a></li> <li><a href="/wiki/Chinese_Historical_Society_of_America" title="Chinese Historical Society of America">Chinese Historical Society Museum</a></li> <li><a href="/wiki/Conservatory_of_Flowers" title="Conservatory of Flowers">Conservatory of Flowers</a></li> <li><a href="/wiki/Contemporary_Jewish_Museum" title="Contemporary Jewish Museum">Contemporary Jewish Museum</a></li> <li><a href="/wiki/Walt_Disney_Family_Museum" title="Walt Disney Family Museum">Walt Disney Family Museum</a></li> <li><a href="/wiki/De_Young_Museum" title="De Young Museum">de Young Museum</a></li> <li><a href="/wiki/Exploratorium" title="Exploratorium">Exploratorium</a></li> <li><a href="/wiki/Haas%E2%80%93Lilienthal_House" title="Haas–Lilienthal House">Haas–Lilienthal House</a></li> <li><a href="/wiki/Legion_of_Honor_(museum)" title="Legion of Honor (museum)">Legion of Honor</a></li> <li><a href="/wiki/Mexican_Museum_(San_Francisco)" title="Mexican Museum (San Francisco)">Mexican Museum</a></li> <li><a href="/wiki/Mus%C3%A9e_M%C3%A9canique" title="Musée Mécanique">Musée Mécanique</a></li> <li><a href="/wiki/Museo_ItaloAmericano" title="Museo ItaloAmericano">Museo ItaloAmericano</a></li> <li><a href="/wiki/Museum_of_Performance_%26_Design" title="Museum of Performance &amp; Design">Museum of Performance &amp; Design</a></li> <li><a href="/wiki/Museum_of_the_African_Diaspora" title="Museum of the African Diaspora">Museum of the African Diaspora</a></li> <li><a href="/wiki/Precita_Eyes" title="Precita Eyes">Precita Eyes</a></li> <li><a href="/wiki/Randall_Museum" title="Randall Museum">Randall Museum</a></li> <li><a href="/wiki/Ripley%27s_Believe_It_or_Not!#California" title="Ripley&#39;s Believe It or Not!">Ripley's Believe It or Not!</a></li> <li><a href="/wiki/San_Francisco_Art_Institute" title="San Francisco Art Institute">San Francisco Art Institute</a> <ul><li><a href="/wiki/Diego_Rivera_Gallery" title="Diego Rivera Gallery">Diego Rivera Gallery</a></li></ul></li> <li><a href="/wiki/San_Francisco_Museum_of_Modern_Art" title="San Francisco Museum of Modern Art">San Francisco Museum of Modern Art</a></li> <li><a href="/wiki/San_Francisco_Maritime_National_Historical_Park" title="San Francisco Maritime National Historical Park">San Francisco Maritime</a></li> <li><a href="/wiki/San_Francisco_Railway_Museum" title="San Francisco Railway Museum">Railway Museum</a></li> <li><a href="/wiki/USS_Pampanito" title="USS Pampanito">USS <i>Pampanito</i></a></li> <li><a href="/wiki/Wattis_Institute_for_Contemporary_Arts" title="Wattis Institute for Contemporary Arts">Wattis Institute for Contemporary Arts</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Parks and<br />recreation</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alamo_Square,_San_Francisco" title="Alamo Square, San Francisco">Alamo Square</a></li> <li><a href="/wiki/Alta_Plaza_Park" title="Alta Plaza Park">Alta Plaza</a></li> <li><a href="/wiki/Bay_Area_Ridge_Trail" title="Bay Area Ridge Trail">Bay Area Ridge Trail</a></li> <li><a href="/wiki/Bayview_Park,_San_Francisco" title="Bayview Park, San Francisco">Bayview Park</a></li> <li><a href="/wiki/Buena_Vista_Park" title="Buena Vista Park">Buena Vista Park</a></li> <li><a href="/wiki/Candlestick_Point_State_Recreation_Area" title="Candlestick Point State Recreation Area">Candlestick Point</a></li> <li><a href="/wiki/Civic_Center_Plaza" title="Civic Center Plaza">Civic Center Plaza</a></li> <li><a href="/wiki/Corona_Heights_Park" title="Corona Heights Park">Corona Heights</a></li> <li><a href="/wiki/Crissy_Field" title="Crissy Field">Crissy Field</a></li> <li><a href="/wiki/Mission_Dolores_Park" title="Mission Dolores Park">Mission Dolores Park</a></li> <li><a class="mw-selflink selflink">Glen Canyon</a></li> <li><a href="/wiki/Golden_Gate_National_Recreation_Area" title="Golden Gate National Recreation Area">Golden Gate National Recreation Area</a> <ul><li><a href="/wiki/Mori_Point" title="Mori Point">Mori Point</a></li></ul></li> <li><a href="/wiki/Golden_Gate_Park" title="Golden Gate Park">Golden Gate Park</a></li> <li><a href="/wiki/Huntington_Park_(San_Francisco)" title="Huntington Park (San Francisco)">Huntington Park</a></li> <li><a href="/wiki/Lafayette_Park_(San_Francisco)" title="Lafayette Park (San Francisco)">Lafayette Park</a></li> <li><a href="/wiki/Lake_Merced" title="Lake Merced">Lake Merced</a></li> <li><a href="/wiki/Marina_Green" title="Marina Green">Marina Green</a></li> <li><a href="/wiki/John_McLaren_Park" title="John McLaren Park">McLaren Park</a></li> <li><a href="/wiki/Mount_Davidson_(California)" title="Mount Davidson (California)">Mount Davidson</a></li> <li><a href="/wiki/Mount_Sutro" title="Mount Sutro">Mount Sutro</a></li> <li><a href="/wiki/Ocean_Beach,_San_Francisco" title="Ocean Beach, San Francisco">Ocean Beach</a></li> <li><a href="/wiki/Precita_Park" title="Precita Park">Precita Park</a></li> <li><a href="/wiki/Presidio_of_San_Francisco" title="Presidio of San Francisco">The Presidio</a></li> <li><a href="/wiki/San_Francisco_Bay_Trail" title="San Francisco Bay Trail">San Francisco Bay Trail</a></li> <li><a href="/wiki/San_Francisco_Zoo" title="San Francisco Zoo">San Francisco Zoo</a></li> <li><a href="/wiki/Sharp_Park_Golf_Course" title="Sharp Park Golf Course">Sharp Park Golf Course</a></li> <li><a href="/wiki/Sigmund_Stern_Recreation_Grove" title="Sigmund Stern Recreation Grove">Stern Grove</a></li> <li><a href="/wiki/Twin_Peaks_(San_Francisco)" title="Twin Peaks (San Francisco)">Twin Peaks</a></li> <li><a href="/wiki/Washington_Square_(San_Francisco)" title="Washington Square (San Francisco)">Washington Square</a></li> <li><a href="/wiki/Yerba_Buena_Gardens" title="Yerba Buena Gardens">Yerba Buena Gardens</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Views</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coit_Tower" title="Coit Tower">Coit Tower</a></li> <li><a href="/wiki/Twin_Peaks_(San_Francisco)" title="Twin Peaks (San Francisco)">Twin Peaks</a></li> <li><a href="/wiki/Seal_Rocks_(San_Francisco,_California)" title="Seal Rocks (San Francisco, California)">Seal Rocks</a>/<a href="/wiki/Ocean_Beach,_San_Francisco" title="Ocean Beach, San Francisco">Ocean Beach</a></li> <li><a href="/wiki/Baker_Beach" title="Baker Beach">Baker Beach</a></li> <li><a href="/wiki/Golden_Gate_Bridge" title="Golden Gate Bridge">Golden Gate Bridge</a></li> <li><a href="/wiki/Fort_Funston" title="Fort Funston">Fort Funston</a></li> <li><a href="/wiki/De_Young_Museum" title="De Young Museum">Hamon Observation Tower at the de Young Museum</a></li> <li><a href="/wiki/Strawberry_Hill_(San_Francisco)" title="Strawberry Hill (San Francisco)">Strawberry Hill</a></li> <li><a href="/wiki/Crissy_Field" title="Crissy Field">Crissy Field</a></li> <li><a href="/wiki/Pacific_Heights,_San_Francisco" title="Pacific Heights, San Francisco">Pacific Heights</a></li> <li><a href="/wiki/Alamo_Square,_San_Francisco" title="Alamo Square, San Francisco">Alamo Square</a>/<a href="/wiki/Painted_ladies" title="Painted ladies">Painted ladies</a></li> <li><a href="/wiki/Top_of_the_Mark" title="Top of the Mark">Top of the Mark</a></li> <li><a href="/wiki/Alcatraz_Island" title="Alcatraz Island">Alcatraz</a></li> <li><a href="/wiki/Treasure_Island,_San_Francisco" title="Treasure Island, San Francisco">Treasure Island</a></li> <li><a href="/wiki/Lombard_Street_(San_Francisco)" title="Lombard Street (San Francisco)">Lombard Street</a></li> <li><a href="/wiki/San_Francisco_cable_car_system" title="San Francisco cable car system">Powell-Hyde Cable Car</a></li> <li><a href="/wiki/San_Francisco_Ferry_Building" title="San Francisco Ferry Building">Ferry Building</a></li> <li><a href="/wiki/Bernal_Heights_Summit" title="Bernal Heights Summit">Bernal Hill</a></li> <li><a href="/wiki/49-Mile_Scenic_Drive" title="49-Mile Scenic Drive">49-Mile Scenic Drive</a></li> <li><a href="/wiki/Hawk_Hill_(California)" title="Hawk Hill (California)">Hawk Hill</a></li> <li><a href="/wiki/Fort_Baker" title="Fort Baker">Fort Baker</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Entertainment</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/American_Conservatory_Theater" title="American Conservatory Theater">American Conservatory Theater</a></li> <li><a href="/wiki/Bill_Graham_Civic_Auditorium" title="Bill Graham Civic Auditorium">Bill Graham Civic Auditorium</a></li> <li><a href="/wiki/Cow_Palace" title="Cow Palace">Cow Palace</a></li> <li><a href="/wiki/The_Fillmore" title="The Fillmore">The Fillmore</a></li> <li><a href="/wiki/San_Francisco_War_Memorial_and_Performing_Arts_Center" title="San Francisco War Memorial and Performing Arts Center">War Memorial and Performing Arts Center</a></li> <li><a href="/wiki/Yerba_Buena_Center_for_the_Arts" title="Yerba Buena Center for the Arts">Yerba Buena Center for the Arts</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Sports</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/San_Francisco_Giants" title="San Francisco Giants">San Francisco Giants</a></li> <li><a href="/wiki/Golden_State_Warriors" title="Golden State Warriors">Golden State Warriors</a></li> <li><a href="/wiki/Oracle_Park" title="Oracle Park">Oracle Park</a></li> <li><a href="/wiki/Chase_Center" title="Chase Center">Chase Center</a></li> <li><a href="/wiki/Kezar_Stadium" title="Kezar Stadium">Kezar Stadium</a></li> <li><a href="/wiki/San_Francisco_Dons" title="San Francisco Dons">San Francisco Dons</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Food and drink</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anchor_Brewing_Company" title="Anchor Brewing Company">Anchor Steam</a></li> <li><a href="/wiki/Boudin_Bakery" title="Boudin Bakery">Boudin Bakery</a></li> <li><a href="/wiki/Buena_Vista_Cafe" title="Buena Vista Cafe">Buena Vista Cafe</a></li> <li><a href="/wiki/Cioppino" title="Cioppino">Cioppino</a></li> <li><a href="/wiki/Dungeness_crab" title="Dungeness crab">Dungeness crab</a></li> <li><a href="/wiki/Ghirardelli_Chocolate_Company" title="Ghirardelli Chocolate Company">Ghirardelli Square</a></li> <li><a href="/wiki/Mission_burrito" title="Mission burrito">Mission burrito</a></li> <li><a href="/wiki/Tadich_Grill" title="Tadich Grill">Tadich Grill</a></li> <li><a href="/wiki/Tonga_Room" title="Tonga Room">Tonga Room &amp; Hurricane Bar</a></li> <li><a href="/wiki/Top_of_the_Mark" title="Top of the Mark">Top of the Mark</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Shopping</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Emporium_Centre_San_Francisco" title="Emporium Centre San Francisco">Emporium Centre San Francisco</a></li> <li><a href="/wiki/Japan_Center_(San_Francisco)" title="Japan Center (San Francisco)">Japan Center</a></li> <li><a href="/wiki/Metreon" title="Metreon">Metreon</a></li> <li><a href="/wiki/Stonestown_Galleria" title="Stonestown Galleria">Stonestown Galleria</a></li> <li><a href="/wiki/Union_Square,_San_Francisco" title="Union Square, San Francisco">Union Square</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Events</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bay_to_Breakers" title="Bay to Breakers">Bay to Breakers</a></li> <li><a href="/wiki/Carnaval_San_Francisco" title="Carnaval San Francisco">Carnaval San Francisco</a></li> <li><a href="/wiki/San_Francisco_Chinese_New_Year_Festival_and_Parade" title="San Francisco Chinese New Year Festival and Parade">Chinese New Year Festival and Parade</a></li> <li><a href="/wiki/Moscone_Center" title="Moscone Center">Moscone Center</a></li> <li><a href="/wiki/Outside_Lands_(festival)" title="Outside Lands (festival)">Outside Lands</a></li> <li><a href="/wiki/San_Francisco_Pride" title="San Francisco Pride">San Francisco Pride</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="background: #FCC200;"><div><a href="/wiki/National_Register_of_Historic_Places_listings_in_San_Francisco" title="National Register of Historic Places listings in San Francisco">National Register of Historic Places listings in San Francisco</a></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="23x15px&amp;#124;border_&amp;#124;alt=&amp;#124;link=_City_and_County_of_San_Francisco" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="background: #FCC200"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:San_Francisco" title="Template:San Francisco"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:San_Francisco" title="Template talk:San Francisco"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:San_Francisco" title="Special:EditPage/Template:San Francisco"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="23x15px&amp;#124;border_&amp;#124;alt=&amp;#124;link=_City_and_County_of_San_Francisco" style="font-size:114%;margin:0 4em"><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/af/Flag_of_San_Francisco.svg/23px-Flag_of_San_Francisco.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/af/Flag_of_San_Francisco.svg/35px-Flag_of_San_Francisco.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/af/Flag_of_San_Francisco.svg/45px-Flag_of_San_Francisco.svg.png 2x" data-file-width="1024" data-file-height="683" /></span></span></span> <a href="/wiki/San_Francisco" title="San Francisco">City and County of San Francisco</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2" style="background: #FCC200"><div> <ul><li><a href="/wiki/History_of_San_Francisco" title="History of San Francisco">History</a> <ul><li><a href="/wiki/Timeline_of_San_Francisco" title="Timeline of San Francisco">Timeline</a></li></ul></li> <li><a href="/wiki/Culture_of_San_Francisco" title="Culture of San Francisco">Culture</a></li> <li><a href="/wiki/List_of_Landmarks_and_Historic_Places_in_San_Francisco" title="List of Landmarks and Historic Places in San Francisco">Landmarks</a></li> <li><a href="/wiki/Media_in_the_San_Francisco_Bay_Area" title="Media in the San Francisco Bay Area">Media</a></li> <li><a href="/wiki/List_of_museums_in_San_Francisco_Bay_Area,_California#San_Francisco" class="mw-redirect" title="List of museums in San Francisco Bay Area, California">Museums</a></li> <li><a href="/wiki/Neighborhoods_in_San_Francisco" class="mw-redirect" title="Neighborhoods in San Francisco">Neighborhoods</a></li> <li><a href="/wiki/List_of_people_associated_with_San_Francisco" class="mw-redirect" title="List of people associated with San Francisco">Notable people</a></li> <li><a href="/wiki/List_of_tallest_buildings_in_San_Francisco" title="List of tallest buildings in San Francisco">Skyscrapers</a></li> <li><a href="/wiki/List_of_theatres_in_San_Francisco" title="List of theatres in San Francisco">Theatres</a></li> <li><a href="/wiki/List_of_colleges_and_universities_in_San_Francisco" title="List of colleges and universities in San Francisco">Universities</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;width:1%"><a href="/wiki/Government_of_San_Francisco" title="Government of San Francisco">Government</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/San_Francisco_City_Hall" title="San Francisco City Hall">City Hall</a></li> <li><a href="/wiki/Mayor_of_San_Francisco" title="Mayor of San Francisco">Mayor</a></li> <li><a href="/wiki/San_Francisco_Board_of_Supervisors" title="San Francisco Board of Supervisors">Board of Supervisors</a></li> <li><a href="/wiki/San_Francisco_County_Superior_Court" title="San Francisco County Superior Court">Superior Court</a></li> <li><a href="/wiki/List_of_diplomatic_missions_in_San_Francisco" class="mw-redirect" title="List of diplomatic missions in San Francisco">San Francisco consulates</a></li> <li><a href="/wiki/Sister_cities_of_San_Francisco,_California" class="mw-redirect" title="Sister cities of San Francisco, California">Sister cities</a></li> <li><a href="/wiki/San_Francisco_Arts_Commission" title="San Francisco Arts Commission">Arts Commission</a></li> <li><a href="/wiki/San_Francisco_Board_of_Education" title="San Francisco Board of Education">Board of Education</a></li> <li><a href="/wiki/City_Attorney_of_San_Francisco" title="City Attorney of San Francisco">City Attorney</a></li> <li><a href="/wiki/San_Francisco_District_Attorney%27s_Office" title="San Francisco District Attorney&#39;s Office">District Attorney</a></li> <li><a href="/wiki/San_Francisco_Ethics_Commission" title="San Francisco Ethics Commission">Ethics Commission</a></li> <li><a href="/wiki/San_Francisco_Fire_Department" title="San Francisco Fire Department">Fire Department</a></li> <li><a href="/wiki/San_Francisco_Human_Rights_Commission" title="San Francisco Human Rights Commission">Human Rights Commission</a></li> <li><a href="/wiki/San_Francisco_International_Airport" title="San Francisco International Airport">San Francisco International Airport</a></li> <li><a href="/wiki/San_Francisco_Municipal_Transportation_Agency" title="San Francisco Municipal Transportation Agency">Municipal Transportation Agency</a></li> <li><a href="/wiki/San_Francisco_Police_Commission" title="San Francisco Police Commission">Police Commission</a></li> <li><a href="/wiki/San_Francisco_Police_Department" title="San Francisco Police Department">Police Department</a></li> <li><a href="/wiki/Port_of_San_Francisco" title="Port of San Francisco">Port of San Francisco</a></li> <li><a href="/wiki/San_Francisco_Public_Library" title="San Francisco Public Library">Public Library</a></li> <li><a href="/wiki/San_Francisco_Public_Utilities_Commission" title="San Francisco Public Utilities Commission">Public Utilities Commission</a></li> <li><a href="/wiki/San_Francisco_Department_of_Public_Works" title="San Francisco Department of Public Works">Public Works</a></li> <li><a href="/wiki/San_Francisco_Recreation_%26_Parks_Department" title="San Francisco Recreation &amp; Parks Department">Recreation &amp; Parks Department</a></li> <li><a href="/wiki/San_Francisco_Sheriff%27s_Department" class="mw-redirect" title="San Francisco Sheriff&#39;s Department">Sheriff's Department</a></li> <li><a href="/wiki/San_Francisco_County_Transportation_Authority" title="San Francisco County Transportation Authority">Transportation Authority</a></li> <li><a href="/wiki/San_Francisco_Unified_School_District" title="San Francisco Unified School District">San Francisco Unified School District</a></li> <li><a href="/wiki/San_Francisco_Youth_Commission" title="San Francisco Youth Commission">Youth Commission</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;width:1%"><a href="/wiki/Transportation_in_the_San_Francisco_Bay_Area" title="Transportation in the San Francisco Bay Area">Transit</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AC_Transit" title="AC Transit">AC Transit</a></li> <li><a href="/wiki/Amtrak_California" title="Amtrak California">Amtrak California</a></li> <li><a href="/wiki/Bay_Area_Rapid_Transit" title="Bay Area Rapid Transit">BART</a></li> <li><a href="/wiki/Caltrain" title="Caltrain">Caltrain</a></li> <li><a href="/wiki/Clipper_card" title="Clipper card">Clipper card</a></li> <li><a href="/wiki/Golden_Gate_Ferry" title="Golden Gate Ferry">Golden Gate Ferry</a></li> <li><a href="/wiki/Golden_Gate_Transit" title="Golden Gate Transit">Golden Gate Transit</a></li> <li><a href="/wiki/SamTrans" title="SamTrans">SamTrans</a></li> <li><a href="/wiki/San_Francisco_Bay_Ferry" title="San Francisco Bay Ferry">San Francisco Bay Ferry</a></li> <li><a href="/wiki/San_Francisco_Municipal_Railway" title="San Francisco Municipal Railway">San Francisco Municipal Railway</a></li> <li><a href="/wiki/SolTrans" title="SolTrans">SolTrans</a></li> <li><a href="/wiki/WestCAT" title="WestCAT">WestCAT</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;width:1%"><a href="/wiki/List_of_parks_in_San_Francisco" title="List of parks in San Francisco">Parks</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alamo_Square,_San_Francisco" title="Alamo Square, San Francisco">Alamo Square</a></li> <li><a href="/wiki/Balboa_Park,_San_Francisco" title="Balboa Park, San Francisco">Balboa Park</a></li> <li><a href="/wiki/Buena_Vista_Park" title="Buena Vista Park">Buena Vista Park</a></li> <li><a href="/wiki/Candlestick_Point_State_Recreation_Area" title="Candlestick Point State Recreation Area">Candlestick Point</a></li> <li><a href="/wiki/Corona_Heights_Park" title="Corona Heights Park">Corona Heights Park</a></li> <li><a href="/wiki/Dolores_Park" class="mw-redirect" title="Dolores Park">Dolores Park</a></li> <li><a class="mw-selflink selflink">Glen Canyon Park</a></li> <li><a href="/wiki/Golden_Gate_National_Recreation_Area" title="Golden Gate National Recreation Area">Golden Gate National Recreation Area</a></li> <li><a href="/wiki/Golden_Gate_Park" title="Golden Gate Park">Golden Gate Park</a></li> <li><a href="/wiki/Grand_View_Park" class="mw-redirect" title="Grand View Park">Grand View Park</a></li> <li><a href="/wiki/Lafayette_Park_(San_Francisco)" title="Lafayette Park (San Francisco)">Lafayette Park</a></li> <li><a href="/wiki/Lake_Merced" title="Lake Merced">Lake Merced</a></li> <li><a href="/wiki/Lincoln_Park,_San_Francisco" class="mw-redirect" title="Lincoln Park, San Francisco">Lincoln Park</a></li> <li><a href="/wiki/John_McLaren_Park" title="John McLaren Park">McLaren Park</a></li> <li><a href="/wiki/Mountain_Lake_Park" title="Mountain Lake Park">Mountain Lake Park</a></li> <li><a href="/wiki/Panhandle_(San_Francisco)" title="Panhandle (San Francisco)">Panhandle</a></li> <li><a href="/wiki/Pine_Lake_Park_(San_Francisco)" title="Pine Lake Park (San Francisco)">Pine Lake Park</a></li> <li><a href="/wiki/Pioneer_Park_(San_Francisco)" title="Pioneer Park (San Francisco)">Pioneer Park</a>/<a href="/wiki/Coit_Tower" title="Coit Tower">Coit Tower</a></li> <li><a href="/wiki/Presidio_of_San_Francisco" title="Presidio of San Francisco">The Presidio</a></li> <li><a href="/wiki/San_Francisco_Maritime_National_Historical_Park" title="San Francisco Maritime National Historical Park">San Francisco Maritime</a></li> <li><a href="/wiki/Sigmund_Stern_Recreation_Grove" title="Sigmund Stern Recreation Grove">Stern Grove</a></li> <li><a href="/wiki/South_Park,_San_Francisco" title="South Park, San Francisco">South Park</a></li> <li><a href="/wiki/Sutro_Heights_Park" title="Sutro Heights Park">Sutro Heights Park</a></li> <li><a href="/wiki/Washington_Square_(San_Francisco)" title="Washington Square (San Francisco)">Washington Square Park</a></li> <li><a href="/wiki/Yerba_Buena_Gardens" title="Yerba Buena Gardens">Yerba Buena Gardens</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;width:1%">Related articles</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Golden_Gate_Bridge" title="Golden Gate Bridge">Golden Gate Bridge</a></li> <li><a href="/wiki/Fisherman%27s_Wharf,_San_Francisco" title="Fisherman&#39;s Wharf, San Francisco">Fisherman's Wharf</a></li> <li><a href="/wiki/Alcatraz_Island" title="Alcatraz Island">Alcatraz Island</a></li> <li><a href="/wiki/San_Francisco_cable_car_system" title="San Francisco cable car system">Cable Cars</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="background: #FCC200"><div> <ul><li><b><a href="/wiki/Lists_of_San_Francisco_topics" title="Lists of San Francisco topics">Topics</a></b></li> <li><b><a href="/wiki/Category:San_Francisco" title="Category:San Francisco">Category</a></b></li> <li><b><a href="/wiki/Portal:San_Francisco_Bay_Area" title="Portal:San Francisco Bay Area">Portal</a></b></li></ul> </div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.eqiad.main‐5dc468848‐b2zsg Cached time: 20241122140946 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.709 seconds Real time usage: 1.214 seconds Preprocessor visited node count: 4191/1000000 Post‐expand include size: 128830/2097152 bytes Template argument size: 4909/2097152 bytes Highest expansion depth: 22/100 Expensive parser function count: 4/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 148684/5000000 bytes Lua time usage: 0.434/10.000 seconds Lua memory usage: 8345109/52428800 bytes Number of Wikibase entities loaded: 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