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Lock and Dam No. 1 - Wikipedia
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href="https://geohack.toolforge.org/geohack.php?pagename=Lock_and_Dam_No._1&params=44_54_55_N_93_12_2_W_type:landmark_region:US-MN"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">44°54′55″N</span> <span class="longitude">93°12′2″W</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">44.91528°N 93.20056°W</span><span style="display:none"> / <span class="geo">44.91528; -93.20056</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">Dam in Minnesota, United States.</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:skyblue;">Lock and Dam No. 1 (Ford Dam)</th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Ford_lock_and_dam.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Ford_lock_and_dam.jpg/220px-Ford_lock_and_dam.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Ford_lock_and_dam.jpg/330px-Ford_lock_and_dam.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/74/Ford_lock_and_dam.jpg/440px-Ford_lock_and_dam.jpg 2x" data-file-width="2048" data-file-height="1536" /></a></span><div class="infobox-caption">Ford Lock and Dam</div></td></tr><tr><td colspan="2" class="infobox-image"><style data-mw-deduplicate="TemplateStyles:r1238443738">.mw-parser-output .locmap .od{position:absolute}.mw-parser-output .locmap .id{position:absolute;line-height:0}.mw-parser-output .locmap .l0{font-size:0;position:absolute}.mw-parser-output .locmap .pv{line-height:110%;position:absolute;text-align:center}.mw-parser-output .locmap .pl{line-height:110%;position:absolute;top:-0.75em;text-align:right}.mw-parser-output .locmap .pr{line-height:110%;position:absolute;top:-0.75em;text-align:left}.mw-parser-output .locmap .pv>div{display:inline;padding:1px}.mw-parser-output .locmap .pl>div{display:inline;padding:1px;float:right}.mw-parser-output .locmap .pr>div{display:inline;padding:1px;float:left}@media screen{html.skin-theme-clientpref-night .mw-parser-output .od,html.skin-theme-clientpref-night .mw-parser-output .od .pv>div,html.skin-theme-clientpref-night .mw-parser-output .od .pl>div,html.skin-theme-clientpref-night .mw-parser-output .od .pr>div{background:#fff!important;color:#000!important}html.skin-theme-clientpref-night .mw-parser-output .locmap{filter:grayscale(0.6)}html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data .locmap div{background:transparent!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .locmap{filter:grayscale(0.6)}html.skin-theme-clientpref-os .mw-parser-output .od,html.skin-theme-clientpref-os .mw-parser-output .od .pv>div,html.skin-theme-clientpref-os .mw-parser-output .od .pl>div,html.skin-theme-clientpref-os .mw-parser-output .od .pr>div{background:white!important;color:#000!important}html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data .locmap div{background:transparent!important}}</style><div class="center"><div class="locmap" style="width:235px;float:none;clear:both;margin-left:auto;margin-right:auto"><div style="width:235px;padding:0"><div style="position:relative;width:235px"><span class="notpageimage" typeof="mw:File"><a href="/wiki/File:USA_Minnesota_relief_location_map.svg" class="mw-file-description" title="Lock and Dam No. 1 is located in Minnesota"><img alt="Lock and Dam No. 1 is located in Minnesota" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/USA_Minnesota_relief_location_map.svg/235px-USA_Minnesota_relief_location_map.svg.png" decoding="async" width="235" height="274" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/USA_Minnesota_relief_location_map.svg/353px-USA_Minnesota_relief_location_map.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0e/USA_Minnesota_relief_location_map.svg/470px-USA_Minnesota_relief_location_map.svg.png 2x" data-file-width="1029" data-file-height="1200" /></a></span><div class="od notheme" style="top:74.361%;left:51.845%;font-size:91%"><div class="id" style="left:-4px;top:-4px"><span class="notpageimage" typeof="mw:File"><span title="Lock and Dam No. 1"><img alt="Lock and Dam No. 1" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Red_pog.svg/8px-Red_pog.svg.png" decoding="async" width="8" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Red_pog.svg/12px-Red_pog.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Red_pog.svg/16px-Red_pog.svg.png 2x" data-file-width="64" data-file-height="64" /></span></span></div></div></div><div style="padding-top:0.2em">Location of Lock and Dam No. 1 (Ford Dam) in Minnesota</div></div></div></div></td></tr><tr><th scope="row" class="infobox-label">Location</th><td class="infobox-data"><a href="/wiki/Minneapolis,_Minnesota" class="mw-redirect" title="Minneapolis, Minnesota">Minneapolis</a> and <a href="/wiki/Saint_Paul,_Minnesota" title="Saint Paul, Minnesota">Saint Paul</a>, <a href="/wiki/Minnesota" title="Minnesota">Minnesota</a>, <a href="/wiki/United_States" title="United States">United States</a>.</td></tr><tr><th scope="row" class="infobox-label">Coordinates</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=Lock_and_Dam_No._1&params=44_54_55_N_93_12_2_W_type:landmark_region:US-MN"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">44°54′55″N</span> <span class="longitude">93°12′2″W</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">44.91528°N 93.20056°W</span><span style="display:none"> / <span class="geo">44.91528; -93.20056</span></span></span></a></span></span></td></tr><tr><th scope="row" class="infobox-label">Opening date</th><td class="infobox-data">Locks completed in 1932<span class="noprint">; 92 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1932</span>)</span></td></tr><tr><th scope="row" class="infobox-label">Operator(s)</th><td class="infobox-data"><span typeof="mw:File"><a href="/wiki/File:United_States_Army_Corps_of_Engineers_logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/United_States_Army_Corps_of_Engineers_logo.svg/24px-United_States_Army_Corps_of_Engineers_logo.svg.png" decoding="async" width="24" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/United_States_Army_Corps_of_Engineers_logo.svg/36px-United_States_Army_Corps_of_Engineers_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/35/United_States_Army_Corps_of_Engineers_logo.svg/48px-United_States_Army_Corps_of_Engineers_logo.svg.png 2x" data-file-width="512" data-file-height="393" /></a></span> <a href="/wiki/U.S._Army_Corps_of_Engineers" class="mw-redirect" title="U.S. Army Corps of Engineers">U.S. Army Corps of Engineers</a>, St. Paul District</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:skyblue;">Dam and spillways</th></tr><tr><th scope="row" class="infobox-label">Impounds</th><td class="infobox-data"><a href="/wiki/Upper_Mississippi_River" title="Upper Mississippi River">Upper Mississippi River</a></td></tr><tr><th scope="row" class="infobox-label">Length</th><td class="infobox-data">574 feet (175.0 m)</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:skyblue;">Reservoir</th></tr><tr><th scope="row" class="infobox-label">Creates</th><td class="infobox-data">Pool 1</td></tr><tr><th scope="row" class="infobox-label">Total capacity</th><td class="infobox-data">9,300 acre⋅ft (11,500,000 m<sup>3</sup>)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Drainage_basin" title="Drainage basin">Catchment area</a></th><td class="infobox-data">19,400 sq mi (50,000 km<sup>2</sup>)</td></tr></tbody></table> <p><b>Ford Dam</b>, officially known as <b>Lock and Dam No. 1</b>, is on the <a href="/wiki/Upper_Mississippi_River" title="Upper Mississippi River">Upper</a> <a href="/wiki/Mississippi_River" title="Mississippi River">Mississippi River</a> and is located between <a href="/wiki/Minneapolis,_Minnesota" class="mw-redirect" title="Minneapolis, Minnesota">Minneapolis</a> and <a href="/wiki/Saint_Paul,_Minnesota" title="Saint Paul, Minnesota">Saint Paul, Minnesota</a> just north of the confluence of the Mississippi with the <a href="/wiki/Minnesota_River" title="Minnesota River">Minnesota River</a> at Mississippi River mile 847.9, in Minneapolis. The powerhouse portion was previously owned by the <a href="/wiki/Ford_Motor_Company" title="Ford Motor Company">Ford Motor Company</a>, which operated a <a href="/wiki/Hydroelectric" class="mw-redirect" title="Hydroelectric">hydroelectric</a> power station to feed electricity to its <a href="/wiki/Twin_Cities_Assembly_Plant" title="Twin Cities Assembly Plant">Twin Cities Assembly Plant</a> on the east side of the river. It was sold to <a href="/wiki/Brookfield_Renewable" class="mw-redirect" title="Brookfield Renewable">Brookfield Power Co.</a> in April 2008. The dual-<a href="/wiki/Canal_lock" class="mw-redirect" title="Canal lock">lock</a> facility and dam was built and is operated by the St. Paul district of the <a href="/wiki/U.S._Army_Corps_of_Engineers" class="mw-redirect" title="U.S. Army Corps of Engineers">U.S. Army Corps of Engineers</a>' <a href="/wiki/Mississippi_Valley_Division" title="Mississippi Valley Division">Mississippi Valley Division</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <table align="right"> <tbody><tr> <td><figure class="mw-halign-right" typeof="mw:File"><a href="/wiki/File:Lock%26dam_1.jpg" class="mw-file-description" title="lock and dam 1 tonnage"><img alt="lock and dam 1 tonnage" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Lock%26dam_1.jpg/260px-Lock%26dam_1.jpg" decoding="async" width="260" height="193" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Lock%26dam_1.jpg/390px-Lock%26dam_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Lock%26dam_1.jpg/520px-Lock%26dam_1.jpg 2x" data-file-width="1753" data-file-height="1304" /></a><figcaption>lock and dam 1 tonnage</figcaption></figure> </td></tr></tbody></table> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Facility">Facility</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lock_and_Dam_No._1&action=edit&section=1" title="Edit section: Facility"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The first facility at the site went into operation in 1917 and superseded the role of the earlier Lock and Dam No. 2 (today known as the <a href="/wiki/Meeker_Island_Lock_and_Dam" title="Meeker Island Lock and Dam">Meeker Island Lock and Dam</a>). The facility was rebuilt in 1929, and an expansion from one lock to two locks was completed in 1932. Each lock is 56 feet (17 m) wide by 400 feet (120 m) long (17 × 122 meters), half the width of the next lock downstream, though this is the only dual-lock facility in the district. The lift is about 36 feet (11 m). Major rehabilitation efforts were carried out between 1978 and 1983, including the replacement of many manual and <a href="/wiki/Hydraulic" class="mw-redirect" title="Hydraulic">hydraulic</a> components with computer controls. </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Mississippi_Dam_No.1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Mississippi_Dam_No.1.jpg/220px-Mississippi_Dam_No.1.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Mississippi_Dam_No.1.jpg/330px-Mississippi_Dam_No.1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Mississippi_Dam_No.1.jpg/440px-Mississippi_Dam_No.1.jpg 2x" data-file-width="3968" data-file-height="2976" /></a><figcaption>The dam as seen from downstream</figcaption></figure> <p>The eastern portion of the site consists of an overflow <a href="/wiki/Nils_F._Ambursen" title="Nils F. Ambursen">Ambursen</a> dam, which is a <a href="/wiki/Buttress_dam" title="Buttress dam">buttress dam</a> where the upstream part is a relatively thin flat slab usually made of <a href="/wiki/Reinforced_concrete" title="Reinforced concrete">reinforced concrete</a>. The lift is 36 feet (11 m). There is an inflatable flashboard system on top of the dam that can increase the lift by 2 feet (0.61 m) when so desired. The lock side of the facility has a large observation area that is open from April to November each year. A bridge allows visitors to walk over the two locks and right up next to the dam. </p><p>When the facility opened, it assured a navigable channel up to the tail end of <a href="/wiki/Saint_Anthony_Falls" title="Saint Anthony Falls">Saint Anthony Falls</a> upriver in <a href="/wiki/Minneapolis" title="Minneapolis">Minneapolis</a>. Additional locks were added there in the 1960s, extending the <a href="/wiki/Head_of_navigation" title="Head of navigation">head of navigation</a> to a dam in <a href="/wiki/Coon_Rapids,_Minnesota" title="Coon Rapids, Minnesota">Coon Rapids</a> (which has no lock), until the closure of the Upper Saint Anthony Falls lock in 2015. </p><p>Just upstream of the dam is the <a href="/wiki/Intercity_Bridge" title="Intercity Bridge">Ford Parkway Bridge</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Repair">Repair</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lock_and_Dam_No._1&action=edit&section=2" title="Edit section: Repair"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In November 1958, extensive repairs to the dam began to correct serious leaking from one of the walls, which did not complete until the opening of river traffic in the spring of 1959. To prevent the underwashing of the entire structure, Ashbach Construction filled each wall crack and tunnel by Neoprin and concrete.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Hydroelectric_Power_Production">Hydroelectric Power Production</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lock_and_Dam_No._1&action=edit&section=3" title="Edit section: Hydroelectric Power Production"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Corps built a base for a hydroelectric plant in the 1917 dam but Federal law required that the plant not be built by the government. Ford built the powerhouse, completed 1924, to power an <a href="/wiki/Twin_Cities_Assembly_Plant" title="Twin Cities Assembly Plant">assembly plant Ford also built</a> on top of the bluff adjacent to the plant.<sup id="cite_ref-FOOTNOTEAnfinson1995265-266_5-0" class="reference"><a href="#cite_note-FOOTNOTEAnfinson1995265-266-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The assembly plant closed in 2011 and the land is being redeveloped for residential and commercial uses. The powerhouse is 156 feet (48 m) long by 112 feet (34 m) wide and is built into the east end of the dam. It includes 4 turbines and generators with a total capacity of 17,920 kW using 7,000 cfs of water. It generates about 97,100 megawatt-hours (MWh) a year. Before the closure of the assembly plant, the powerhouse supplied all the electricity to the assembly plant, plus free power to the lock and dam, and 22,000 MWh (22%) was sold to the local power grid.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Since the closure of the assembly plant and subsequent purchase of the powerhouse by Brookfield Renewable Power Inc. in 2008 all electricity generated at the facility has been sold on the wholesale market.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Gallery">Gallery</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lock_and_Dam_No._1&action=edit&section=4" title="Edit section: Gallery"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/File:Ford_Lock_and_Dam.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Ford_Lock_and_Dam.jpg/750px-Ford_Lock_and_Dam.jpg" decoding="async" width="750" height="133" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Ford_Lock_and_Dam.jpg/1125px-Ford_Lock_and_Dam.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Ford_Lock_and_Dam.jpg/1500px-Ford_Lock_and_Dam.jpg 2x" data-file-width="5520" data-file-height="976" /></a><figcaption>Ford Lock and Dam</figcaption></figure> <ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Ford_Dam_Powerhouse.jpg" class="mw-file-description" title="The powerhouse as seen from upstream"><img alt="The powerhouse as seen from upstream" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Ford_Dam_Powerhouse.jpg/120px-Ford_Dam_Powerhouse.jpg" decoding="async" width="120" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Ford_Dam_Powerhouse.jpg/180px-Ford_Dam_Powerhouse.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/df/Ford_Dam_Powerhouse.jpg/240px-Ford_Dam_Powerhouse.jpg 2x" data-file-width="3968" data-file-height="2976" /></a></span></div> <div class="gallerytext">The powerhouse as seen from upstream</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Lock_and_Dam_number_1_with_towboat.jpg" class="mw-file-description" title="Towboat Patrick Gannaway taking a load of sand and gravel through Lock Number 1."><img alt="Towboat Patrick Gannaway taking a load of sand and gravel through Lock Number 1." src="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Lock_and_Dam_number_1_with_towboat.jpg/80px-Lock_and_Dam_number_1_with_towboat.jpg" decoding="async" width="80" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Lock_and_Dam_number_1_with_towboat.jpg/120px-Lock_and_Dam_number_1_with_towboat.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/55/Lock_and_Dam_number_1_with_towboat.jpg/161px-Lock_and_Dam_number_1_with_towboat.jpg 2x" data-file-width="1005" data-file-height="1500" /></a></span></div> <div class="gallerytext">Towboat <i>Patrick Gannaway</i> taking a load of sand and gravel through Lock Number 1.</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Lock_and_dam_1.jpeg" class="mw-file-description" title="Lock and dam No. 1 with lock facilities on the left and hydroelectric powerhouse on the right."><img alt="Lock and dam No. 1 with lock facilities on the left and hydroelectric powerhouse on the right." src="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Lock_and_dam_1.jpeg/120px-Lock_and_dam_1.jpeg" decoding="async" width="120" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Lock_and_dam_1.jpeg/180px-Lock_and_dam_1.jpeg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/df/Lock_and_dam_1.jpeg/240px-Lock_and_dam_1.jpeg 2x" data-file-width="720" data-file-height="480" /></a></span></div> <div class="gallerytext">Lock and dam No. 1 with lock facilities on the left and hydroelectric powerhouse on the right.</div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lock_and_Dam_No._1&action=edit&section=5" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/St._Anthony_Falls" class="mw-redirect" title="St. Anthony Falls">St. Anthony Falls</a></li> <li><a href="/wiki/Mississippi_National_River_and_Recreation_Area" title="Mississippi National River and Recreation Area">Mississippi National River and Recreation Area</a></li> <li><a href="/wiki/List_of_locks_and_dams_of_the_Upper_Mississippi_River" title="List of locks and dams of the Upper Mississippi River">List of locks and dams of the Upper Mississippi River</a></li> <li><a href="/wiki/Winchell_Trail" title="Winchell Trail">Winchell Trail</a></li></ul> <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=Lock_and_Dam_No._1&action=edit&section=6" 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"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.mvp.usace.army.mil/Missions/Navigation/LocksDams/LockDam1.aspx">USACE St. Paul District: Lock and Dam No. 1</a></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"><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 id="CITEREFAnfinson1995" class="citation journal cs1">Anfinson, John. <a rel="nofollow" class="external text" href="https://www.nps.gov/miss/learn/historyculture/upload/HistoryLocksandDams-2.pdf">"The Secret History of the Mississippi's Earliest Locks and Dams"</a> <span class="cs1-format">(PDF)</span>. <i>Minnesota History</i> (Summer 1995)<span class="reference-accessdate">. Retrieved <span class="nowrap">July 1,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Minnesota+History&rft.atitle=The+Secret+History+of+the+Mississippi%27s+Earliest+Locks+and+Dams&rft.issue=Summer+1995&rft.aulast=Anfinson&rft.aufirst=John&rft_id=https%3A%2F%2Fwww.nps.gov%2Fmiss%2Flearn%2Fhistoryculture%2Fupload%2FHistoryLocksandDams-2.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALock+and+Dam+No.+1" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAnfinson1993" class="citation web cs1">Anfinson, John O. (August 1993). <a rel="nofollow" class="external text" href="https://tile.loc.gov/storage-services/master/pnp/habshaer/mn/mn0300/mn0384/data/mn0384data.pdf">"Mississippi River 9-Foot Channel, Lock & Dam No. 1"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Historic_American_Engineering_Record" class="mw-redirect" title="Historic American Engineering Record">Historic American Engineering Record</a></i>. Washington, D.C.: Library of Congress<span class="reference-accessdate">. Retrieved <span class="nowrap">September 25,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Historic+American+Engineering+Record&rft.atitle=Mississippi+River+9-Foot+Channel%2C+Lock+%26+Dam+No.+1&rft.date=1993-08&rft.aulast=Anfinson&rft.aufirst=John+O.&rft_id=https%3A%2F%2Ftile.loc.gov%2Fstorage-services%2Fmaster%2Fpnp%2Fhabshaer%2Fmn%2Fmn0300%2Fmn0384%2Fdata%2Fmn0384data.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALock+and+Dam+No.+1" 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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://media.mnhs.org/things/cms/10303/342/AV2000_160_36_M.pdf">"Oral interview with Jean Ashback-Swanson"</a> <span class="cs1-format">(PDF)</span>. Minnesota Historical Society.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Oral+interview+with+Jean+Ashback-Swanson&rft.pub=Minnesota+Historical+Society&rft_id=https%3A%2F%2Fmedia.mnhs.org%2Fthings%2Fcms%2F10303%2F342%2FAV2000_160_36_M.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALock+and+Dam+No.+1" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEAnfinson1995265-266-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEAnfinson1995265-266_5-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFAnfinson1995">Anfinson 1995</a>, p. 265-266.</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 class="citation book cs1"><i>Ford Motor Company Twin Cities powerplant license renewal</i>. Federal Energy Regulatory Commission. November 18, 2004.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Ford+Motor+Company+Twin+Cities+powerplant+license+renewal&rft.pub=Federal+Energy+Regulatory+Commission&rft.date=2004-11-18&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALock+and+Dam+No.+1" class="Z3988"></span></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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.stpaul.gov/news/twin-cities-assembly-plant-hydroelectric-dam">"Twin Cities Assembly Plant Hydroelectric Dam"</a>. City of Saint Paul<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-01-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Twin+Cities+Assembly+Plant+Hydroelectric+Dam&rft.pub=City+of+Saint+Paul&rft_id=https%3A%2F%2Fwww.stpaul.gov%2Fnews%2Ftwin-cities-assembly-plant-hydroelectric-dam&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALock+and+Dam+No.+1" class="Z3988"></span></span> </li> </ol></div></div> <p><span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates <a rel="nofollow" class="external text" href="https://www.recreation.gov/disclaimers">public domain material</a> from <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs1"><a rel="nofollow" class="external text" href="https://www.recreation.gov/camping/gateways/177"><i>Mississippi River - Pool 1</i></a>. <a href="/wiki/Federal_government_of_the_United_States" title="Federal government of the United States">Federal government of the United States</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Mississippi+River+-+Pool+1&rft.pub=Federal+government+of+the+United+States&rft_id=https%3A%2F%2Fwww.recreation.gov%2Fcamping%2Fgateways%2F177&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALock+and+Dam+No.+1" class="Z3988"></span> </p><p><span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates <a href="/wiki/Copyright_status_of_works_by_the_federal_government_of_the_United_States" title="Copyright status of works by the federal government of the United States">public domain material</a> from websites or documents of the <a href="/wiki/United_States_Army" title="United States Army">United States Army</a>. </p><p><span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates <a rel="nofollow" class="external text" href="https://www.loc.gov/legal/">public domain material</a> from websites or documents of the <a href="/wiki/Library_of_Congress" title="Library of Congress">Library of Congress</a>. </p> <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=Lock_and_Dam_No._1&action=edit&section=7" 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 id="CITEREFMcMahon2007" class="citation journal cs1">McMahon, Brian (Summer 2007). <a rel="nofollow" class="external text" href="https://publishing.rchs.com/wp-content/uploads/2015/11/RCHS_Summer2007_McMahon.pdf">"Minneapolis and St. Paul Stumble- Henry Ford Wins the Struggle for the High Dam"</a> <span class="cs1-format">(PDF)</span>. <i>Ramsey County History Quarterly</i>. <b>42</b> (2)<span class="reference-accessdate">. Retrieved <span class="nowrap">March 1,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Ramsey+County+History+Quarterly&rft.atitle=Minneapolis+and+St.+Paul+Stumble-+Henry+Ford+Wins+the+Struggle+for+the+High+Dam&rft.ssn=summer&rft.volume=42&rft.issue=2&rft.date=2007&rft.aulast=McMahon&rft.aufirst=Brian&rft_id=https%3A%2F%2Fpublishing.rchs.com%2Fwp-content%2Fuploads%2F2015%2F11%2FRCHS_Summer2007_McMahon.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALock+and+Dam+No.+1" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="Anfinson" class="citation journal cs1">Anfinson, John (Summer 1995). <a rel="nofollow" class="external text" href="https://www.nps.gov/miss/learn/historyculture/upload/HistoryLocksandDams-2.pdf">"The Secret History of the Mississippi's Earliest Locks and Dams"</a> <span class="cs1-format">(PDF)</span>. <i>Minnesota History</i><span class="reference-accessdate">. Retrieved <span class="nowrap">July 1,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Minnesota+History&rft.atitle=The+Secret+History+of+the+Mississippi%27s+Earliest+Locks+and+Dams&rft.ssn=summer&rft.date=1995&rft.aulast=Anfinson&rft.aufirst=John&rft_id=https%3A%2F%2Fwww.nps.gov%2Fmiss%2Flearn%2Fhistoryculture%2Fupload%2FHistoryLocksandDams-2.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALock+and+Dam+No.+1" class="Z3988"></span> Why the Meeker Island dam was abandoned and partly demolished 5 years after it was completed and the Ford dam was more than doubled in height when it was 75% complete.</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=Lock_and_Dam_No._1&action=edit&section=8" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.mvp.usace.army.mil/Missions/Navigation/LocksDams/LockDam1.aspx">U.S. Army Corps of Engineers, St. Paul District: Lock and Dam 1</a></li> <li><a href="/wiki/Heritage_Documentation_Programs#Historic_American_Engineering_Record" title="Heritage Documentation Programs">Historic American Engineering Record</a> (HAER) No. MN-62, "<a rel="nofollow" class="external text" href="https://loc.gov/pictures/item/mn0384/">Mississippi River 9-Foot Channel, Lock & Dam No. 1, In Mississippi River at Mississippi Boulevard, below Ford Parkway Bridge, Saint Paul, Ramsey County, MN</a>", 30 photos, 47 data pages, 3 photo caption pages</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 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class="navbox-group" style="width:1%;background:#bbeb85;"><a href="/wiki/Minneapolis%E2%80%93Saint_Paul" title="Minneapolis–Saint Paul">Local</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/Banfill_Tavern" title="Banfill Tavern">Banfill Tavern</a></li> <li><a href="/wiki/Bohemian_Flats" title="Bohemian Flats">Bohemian Flats</a></li> <li><a href="/wiki/Bruce_Vento_Nature_Sanctuary" title="Bruce Vento Nature Sanctuary">Bruce Vento Nature Sanctuary</a></li> <li><a href="/wiki/Crosby_Farm" title="Crosby Farm">Crosby Farm</a></li> <li><a href="/wiki/Fort_Snelling_unorganized_territory" class="mw-redirect" title="Fort Snelling unorganized territory">Fort Snelling unorganized territory</a></li> <li><a href="/wiki/Gold_Medal_Park" title="Gold Medal Park">Gold Medal Park</a></li> <li><a href="/wiki/Grand_Rounds_Scenic_Byway" class="mw-redirect" title="Grand Rounds Scenic Byway">Grand 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Stevens House</a></li> <li><a href="/wiki/Longfellow_House" title="Longfellow House">Longfellow House</a></li> <li><a href="/wiki/Meeker_Island_Lock_and_Dam" title="Meeker Island Lock and Dam">Meeker Island Lock and Dam</a></li> <li><a href="/wiki/Mill_Ruins_Park" title="Mill Ruins Park">Mill Ruins Park</a></li> <li><a href="/wiki/Minnehaha_Park" class="mw-redirect" title="Minnehaha Park">Minnehaha Park</a> (<a href="/wiki/Minnehaha_Falls_Lower_Glen_Trail" title="Minnehaha Falls Lower Glen Trail">Lower Glen Trail</a>)</li> <li><a href="/wiki/Minnehaha_Trail" title="Minnehaha Trail">Minnehaha Trail</a></li> <li><a href="/wiki/Mississippi_Gorge_Regional_Park" title="Mississippi Gorge Regional Park">Mississippi Gorge Regional Park</a></li> <li><a href="/wiki/North_Mississippi_Regional_Park" title="North Mississippi Regional Park">North Mississippi Regional Park</a></li> <li><a href="/wiki/Raspberry_Island_(Minnesota)" title="Raspberry Island (Minnesota)">Raspberry Island</a> <ul><li><a href="/wiki/Minnesota_Boat_Club_Boathouse_on_Raspberry_Island" title="Minnesota Boat Club Boathouse on Raspberry Island">Boathouse</a></li></ul></li> <li><a href="/wiki/Stone_Arch_Bridge_(Minneapolis)" title="Stone Arch Bridge (Minneapolis)">Stone Arch Bridge</a></li> <li><a href="/wiki/Vermillion_River_(Minnesota)" title="Vermillion River (Minnesota)">Vermillion River</a></li> <li><a href="/wiki/Watergate_Marina" title="Watergate Marina">Watergate Marina</a></li> <li><a href="/wiki/Winchell_Trail" title="Winchell Trail">Winchell Trail</a></li> <li><a href="/wiki/Windego_Park_Auditorium/Open_Air_Theater" title="Windego Park Auditorium/Open Air Theater">Windego Park</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background:#bbeb85;">Other</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/Kaposia" title="Kaposia">Kaposia</a></li> <li><a href="/wiki/Mississippi_River_Trail" title="Mississippi River Trail">Mississippi River Trail</a></li> <li><a href="/wiki/River_Warren_Falls" title="River Warren Falls">River Warren Falls</a></li> <li><a href="/wiki/Science_Museum_of_Minnesota" title="Science Museum of Minnesota">Science Museum of Minnesota</a></li></ul> </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="List_of_locks_and_dams_of_the_Upper_Mississippi_River" style="padding:3px"><table class="nowraplinks hlist mw-collapsible expanded navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><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:Locks_and_dams_of_the_Upper_Mississippi_River" title="Template:Locks and dams of the Upper Mississippi River"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/w/index.php?title=Template_talk:Locks_and_dams_of_the_Upper_Mississippi_River&action=edit&redlink=1" class="new" title="Template talk:Locks and dams of the Upper Mississippi River (page does not exist)"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Locks_and_dams_of_the_Upper_Mississippi_River" title="Special:EditPage/Template:Locks and dams of the Upper Mississippi River"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="List_of_locks_and_dams_of_the_Upper_Mississippi_River" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_locks_and_dams_of_the_Upper_Mississippi_River" title="List of locks and dams of the Upper Mississippi River">List of locks and dams of the Upper Mississippi River</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Dams</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="/w/index.php?title=Stepping_Stones_Dam&action=edit&redlink=1" class="new" title="Stepping Stones Dam (page does not exist)">Stepping Stones Dam</a></li> <li><a href="/w/index.php?title=Vekin%27s_Dam&action=edit&redlink=1" class="new" title="Vekin's Dam (page does not exist)">Vekin's Dam</a></li> <li><a href="/w/index.php?title=Ottertail_Power_Co._Dam&action=edit&redlink=1" class="new" title="Ottertail Power Co. Dam (page does not exist)">Ottertail Power Co. Dam</a></li> <li><a href="/wiki/Knutson_Dam" title="Knutson Dam">Knutson Dam</a></li> <li><a href="/wiki/Winnibigoshish_Lake_Dam" title="Winnibigoshish Lake Dam">Winnibigoshish Lake Dam</a></li> <li><a href="/wiki/Pokegama_Dam" class="mw-redirect" title="Pokegama Dam">Pokegama Dam</a></li> <li><a href="/w/index.php?title=Blandin_Paper_Co._Dam&action=edit&redlink=1" class="new" title="Blandin Paper Co. Dam (page does not exist)">Blandin Paper Co. Dam</a></li> <li><a href="/w/index.php?title=Potlatch_Dam&action=edit&redlink=1" class="new" title="Potlatch Dam (page does not exist)">Potlatch Dam</a></li> <li><a href="/wiki/Little_Falls_Dam" title="Little Falls Dam">Little Falls Dam</a></li> <li><a href="/wiki/Blanchard_Dam" title="Blanchard Dam">Blanchard Dam</a></li> <li><a href="/wiki/Sartell_Dam" title="Sartell Dam">Sartell Dam</a></li> <li><a href="/wiki/St._Cloud_Dam" title="St. Cloud Dam">St. Cloud Dam</a></li> <li><a href="/wiki/Coon_Rapids_Dam" title="Coon Rapids Dam">Coon Rapids Dam</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Locks and dams</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/Saint_Anthony_Falls" title="Saint Anthony Falls">Upper Saint Anthony Falls</a></li> <li><a href="/wiki/Saint_Anthony_Falls" title="Saint Anthony Falls">Lower Saint Anthony Falls</a></li> <li><a class="mw-selflink selflink">1</a></li> <li><a href="/wiki/Lock_and_Dam_No._2" title="Lock and Dam No. 2">2</a></li> <li><a href="/wiki/Lock_and_Dam_No._3" title="Lock and Dam No. 3">3</a></li> <li><a href="/wiki/Lock_and_Dam_No._4" title="Lock and Dam No. 4">4</a></li> <li><a href="/wiki/Lock_and_Dam_No._5" title="Lock and Dam No. 5">5</a></li> <li><a href="/wiki/Lock_and_Dam_No._5A" title="Lock and Dam No. 5A">5A</a></li> <li><a href="/wiki/Lock_and_Dam_No._6" title="Lock and Dam No. 6">6</a></li> <li><a href="/wiki/Lock_and_Dam_No._7" title="Lock and Dam No. 7">7</a></li> <li><a href="/wiki/Lock_and_Dam_No._8" title="Lock and Dam No. 8">8</a></li> <li><a href="/wiki/Lock_and_Dam_No._9" title="Lock and Dam No. 9">9</a></li> <li><a href="/wiki/Lock_and_Dam_No._10" title="Lock and Dam No. 10">10</a></li> <li><a href="/wiki/Lock_and_Dam_No._11" title="Lock and Dam No. 11">11</a></li> <li><a href="/wiki/Lock_and_Dam_No._12" title="Lock and Dam No. 12">12</a></li> <li><a href="/wiki/Lock_and_Dam_No._13" title="Lock and Dam No. 13">13</a></li> <li><a href="/wiki/Lock_and_Dam_No._14" title="Lock and Dam No. 14">14</a></li> <li><a href="/wiki/Lock_and_Dam_No._15" title="Lock and Dam No. 15">15</a></li> <li><a href="/wiki/Lock_and_Dam_No._16" title="Lock and Dam No. 16">16</a></li> <li><a href="/wiki/Lock_and_Dam_No._17" title="Lock and Dam No. 17">17</a></li> <li><a href="/wiki/Lock_and_Dam_No._18" title="Lock and Dam No. 18">18</a></li> <li><a href="/wiki/Lock_and_Dam_No._19" title="Lock and Dam No. 19">19</a></li> <li><a href="/wiki/Lock_and_Dam_No._20" title="Lock and Dam No. 20">20</a></li> <li><a href="/wiki/Lock_and_Dam_No._21" title="Lock and Dam No. 21">21</a></li> <li><a href="/wiki/Lock_and_Dam_No._22" title="Lock and Dam No. 22">22</a></li> <li><a href="/wiki/Lock_and_Dam_No._24" title="Lock and Dam No. 24">24</a></li> <li><a href="/wiki/Lock_and_Dam_No._25" title="Lock and Dam No. 25">25</a></li> <li><a href="/wiki/Melvin_Price_Locks_and_Dam" title="Melvin Price Locks and Dam">26</a> (Melvin Price Locks and Dam)</li> <li><a href="/wiki/Chain_of_Rocks_Lock" title="Chain of Rocks Lock">27</a> (Chain of Rocks Lock)</li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <table style="width:100%"> <tbody><tr> <td style="width:33%">Upstream:<br /><a href="/wiki/Meeker_Island_Lock_and_Dam" title="Meeker Island Lock and Dam">Meeker Island Lock and Dam</a> (former Lock and Dam No. 2, demolished) </td> <td style="width:33%"> </td> <td style="width:33%">Downstream:<br /><a href="/wiki/Lock_and_Dam_No._2" title="Lock and Dam No. 2">Lock and Dam No. 2</a> </td></tr></tbody></table> </div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐6b7f745dd4‐rfr4v Cached time: 20241125135615 Cache expiry: 468241 Reduced expiry: true Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.454 seconds Real time usage: 0.563 seconds Preprocessor visited node count: 2472/1000000 Post‐expand include size: 59496/2097152 bytes Template argument size: 7079/2097152 bytes Highest expansion depth: 17/100 Expensive parser function count: 5/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 48792/5000000 bytes Lua time usage: 0.313/10.000 seconds Lua memory usage: 9638836/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 508.766 1 -total 46.10% 234.550 1 Template:Infobox_dam 28.26% 143.784 1 Template:Infobox 19.72% 100.313 1 Template:Reflist 15.88% 80.771 2 Template:Navbox 15.70% 79.886 3 Template:Cite_journal 15.32% 77.968 1 Template:Mississippi_National_River_and_Recreation_Area 5.99% 30.489 1 Template:Location_map 5.35% 27.217 1 Template:Both 5.35% 27.202 2 Template:Pagetype --> <!-- Saved in parser cache with key enwiki:pcache:idhash:4702715-0!canonical and timestamp 20241125135615 and revision id 1251942684. 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