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<li id="toc-Ice_dam_on_the_Clark_Fork_River" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ice_dam_on_the_Clark_Fork_River"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Ice dam on the Clark Fork River</span> </div> </a> <ul id="toc-Ice_dam_on_the_Clark_Fork_River-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Lake_levels" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Lake_levels"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Lake levels</span> </div> </a> <ul id="toc-Lake_levels-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Basins_of_Lake_Missoula" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Basins_of_Lake_Missoula"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Basins of Lake Missoula</span> </div> </a> <button 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class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Missoula_Basin"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Missoula Basin</span> </div> </a> <ul id="toc-Missoula_Basin-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hamilton_Basin" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Hamilton_Basin"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Hamilton Basin</span> </div> </a> <ul id="toc-Hamilton_Basin-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Blackfoot_River_Basin" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Blackfoot_River_Basin"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.5</span> <span>Blackfoot River Basin</span> </div> </a> <ul id="toc-Blackfoot_River_Basin-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Upper_Clark_Fork" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Upper_Clark_Fork"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.6</span> <span>Upper Clark Fork</span> </div> </a> <ul id="toc-Upper_Clark_Fork-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>See also</span> </div> </a> <ul id="toc-See_also-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">4</span> <span>References</span> </div> </a> <ul id="toc-References-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">5</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" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Glacial Lake Missoula</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 11 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-11" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">11 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D1%96%D1%81%D1%83%D0%BB%D0%B0_(%D0%B2%D0%BE%D0%B7%D0%B5%D1%80%D0%B0)" title="Місула (возера) – Belarusian" lang="be" hreflang="be" data-title="Місула (возера)" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Llac_Missoula" title="Llac Missoula – Catalan" lang="ca" hreflang="ca" data-title="Llac Missoula" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Lake_Missoula" title="Lake Missoula – German" lang="de" hreflang="de" data-title="Lake Missoula" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Lago_Missoula" title="Lago Missoula – Spanish" lang="es" hreflang="es" data-title="Lago Missoula" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Lac_glaciaire_Missoula" title="Lac glaciaire Missoula – French" lang="fr" hreflang="fr" data-title="Lac glaciaire Missoula" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%AB%D5%A6%D5%B8%D6%82%D5%AC%D5%A1_(%D5%AC%D5%AB%D5%B3)" title="Միզուլա (լիճ) – Armenian" lang="hy" hreflang="hy" data-title="Միզուլա (լիճ)" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Lago_Missoula" title="Lago Missoula – Italian" lang="it" hreflang="it" data-title="Lago Missoula" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Jezioro_Missoula" title="Jezioro Missoula – Polish" lang="pl" hreflang="pl" data-title="Jezioro Missoula" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B8%D0%B7%D1%83%D0%BB%D0%B0_(%D0%BE%D0%B7%D0%B5%D1%80%D0%BE)" title="Мизула (озеро) – Russian" lang="ru" hreflang="ru" data-title="Мизула (озеро)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%88%D0%B5%D0%B7%D0%B5%D1%80%D0%BE_%D0%9C%D0%B8%D1%81%D1%83%D0%BB%D0%B0" title="Језеро Мисула – Serbian" lang="sr" hreflang="sr" data-title="Језеро Мисула" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9B%D1%8C%D0%BE%D0%B4%D0%BE%D0%B2%D0%B8%D0%BA%D0%BE%D0%B2%D0%B5_%D0%BE%D0%B7%D0%B5%D1%80%D0%BE_%D0%9C%D1%96%D1%81%D1%81%D1%83%D0%BB%D0%B0" title="Льодовикове озеро Міссула – Ukrainian" lang="uk" hreflang="uk" data-title="Льодовикове озеро Міссула" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1801015#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div 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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=Glacial_Lake_Missoula&params=46_56_20_N_114_08_37_W_region:US-MT_type:landmark_dim:92km"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">46°56′20″N</span> <span class="longitude">114°08′37″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">46.93889°N 114.14361°W</span><span style="display:none"> / <span class="geo">46.93889; -114.14361</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">Prehistoric proglacial lake in Western Montana</div> <p class="mw-empty-elt"> </p> <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">Lake Missoula</th></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:284px;float:none;clear:both;margin-left:auto;margin-right:auto"><div style="width:284px;padding:0"><div style="position:relative;width:284px"><span class="notpageimage" typeof="mw:File"><a href="/wiki/File:USA_Montana_location_map.svg" class="mw-file-description" title="Map showing the location of Lake Missoula"><img alt="Map showing the location of Lake Missoula" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/USA_Montana_location_map.svg/284px-USA_Montana_location_map.svg.png" decoding="async" width="284" height="211" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/USA_Montana_location_map.svg/426px-USA_Montana_location_map.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/USA_Montana_location_map.svg/568px-USA_Montana_location_map.svg.png 2x" data-file-width="1201" data-file-height="893" /></a></span><div class="od notheme" style="top:46.147%;left:17.251%;font-size:91%"><div class="id" style="left:-4px;top:-4px"><span class="notpageimage" typeof="mw:File"><span title="Glacial Lake Missoula"><img alt="Map showing the location of Lake Missoula" 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">Map of <a href="/wiki/Montana" title="Montana">Montana</a></div></div></div></div></td></tr><tr class="locality"><th scope="row" class="infobox-label">Location</th><td class="infobox-data">Western <a href="/wiki/Montana" title="Montana">Montana</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=Glacial_Lake_Missoula&params=46_56_20_N_114_08_37_W_region:US-MT_type:landmark_dim:92km"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">46°56′20″N</span> <span class="longitude">114°08′37″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">46.93889°N 114.14361°W</span><span style="display:none"> / <span class="geo">46.93889; -114.14361</span></span></span></a></span></span></td></tr><tr><th scope="row" class="infobox-label">Area</th><td class="infobox-data">7,770 km<sup>2</sup> (3,000 sq mi)</td></tr><tr><th colspan="2" class="infobox-header"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></th></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 #ACE1AF; line-height: 1.5; text-align: center;"> <a href="/wiki/National_Natural_Landmark" title="National Natural Landmark">U.S. National Natural Landmark</a></div></th></tr><tr class="mergedrow"><th scope="row" class="infobox-label">Designated</th><td class="infobox-data">1966</td></tr><tr style="display:none"><th colspan="2"> </th></tr><tr style="display:none"><th colspan="2"> </th></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><table class="infobox vcard"><tbody><tr><th colspan="2" class="infobox-above fn org" style="background-color: #cedeff; font-size: 125%;">Lake Missoula</th></tr><tr><td colspan="2" class="infobox-image" style="line-height: 1.2; border-bottom: 1px solid #cedeff;"><span class="mw-image-border" typeof="mw:File"><a href="/wiki/File:Orillas_f%C3%B3siles_del_lago_Missoula.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Orillas_f%C3%B3siles_del_lago_Missoula.jpg/264px-Orillas_f%C3%B3siles_del_lago_Missoula.jpg" decoding="async" width="264" height="130" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/f/ff/Orillas_f%C3%B3siles_del_lago_Missoula.jpg 1.5x" data-file-width="396" data-file-height="195" /></a></span><div class="infobox-caption">Wave-cut strandlines cut into the slope at left in photo. These cuts record former high-water lines, or shorelines. Gullies above the highway are the result of modern-day erosion. (<a href="/wiki/National_Park_Service" title="National Park Service">NPS</a> Photo)</div></td></tr><tr><td colspan="2" class="infobox-image" style="line-height: 1.2; border-bottom: 1px solid #cedeff;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238443738"><div class="center"><div class="locmap" style="width:256px;float:none;clear:both;margin-left:auto;margin-right:auto"><div style="width:256px;padding:0"><div style="position:relative;width:256px"><span class="notpageimage" typeof="mw:File"><a href="/wiki/File:USA_Montana_relief_location_map.jpg" class="mw-file-description" title="Lake Missoula is located in Montana"><img alt="Lake Missoula is located in Montana" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/USA_Montana_relief_location_map.jpg/256px-USA_Montana_relief_location_map.jpg" decoding="async" width="256" height="190" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/USA_Montana_relief_location_map.jpg/384px-USA_Montana_relief_location_map.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/28/USA_Montana_relief_location_map.jpg/512px-USA_Montana_relief_location_map.jpg 2x" data-file-width="2689" data-file-height="2000" /></a></span><div class="od notheme" style="top:46.147%;left:17.251%;font-size:91%"><div class="id" style="left:-3px;top:-3px"><span class="notpageimage" typeof="mw:File"><span title="Lake Missoula"><img alt="Lake Missoula" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Red_pog.svg/6px-Red_pog.svg.png" decoding="async" width="6" height="6" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Red_pog.svg/9px-Red_pog.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Red_pog.svg/12px-Red_pog.svg.png 2x" data-file-width="64" data-file-height="64" /></span></span></div><div class="pr" style="width:6em;left:4px"><div>Lake Missoula</div></div></div></div><div style="padding-top:0.2em"></div></div></div></div></td></tr><tr class="adr"><th scope="row" class="infobox-label">Location</th><td class="infobox-data region">North America</td></tr><tr><th scope="row" class="infobox-label"><span title="Geographical coordinates">Coordinates</span></th><td class="infobox-data"><span class="geo-inline"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1156832818"><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Glacial_Lake_Missoula&params=46_56_20_N_114_08_37_W_region:US-MT_type:waterbody"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">46°56′20″N</span> <span class="longitude">114°08′37″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">46.93889°N 114.14361°W</span><span style="display:none"> / <span class="geo">46.93889; -114.14361</span></span></span></a></span></span></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Lake#Types_of_lakes" title="Lake">Lake type</a></th><td class="infobox-data category"><a href="/wiki/Category:Former_lakes" title="Category:Former lakes">former lake</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Inflow_(hydrology)" class="mw-redirect" title="Inflow (hydrology)"><span title="Primary inflows: rivers, streams, precipitation">Primary inflows</span></a></th><td class="infobox-data"><a href="/wiki/Channeled_Scablands" title="Channeled Scablands">Channeled Scablands</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Discharge_(hydrology)" title="Discharge (hydrology)"><span title="Primary outflows: rivers, streams, evaporation">Primary outflows</span></a></th><td class="infobox-data"><a href="/wiki/Wallula_Gap" title="Wallula Gap">Wallula Gap</a> of the <a href="/wiki/Columbia_River" title="Columbia River">Columbia River</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Drainage_basin" title="Drainage basin">Basin</a> countries</th><td class="infobox-data">United States</td></tr><tr><th colspan="2" class="infobox-header" style="border-bottom: #cedeff 1px solid"></th></tr><tr class="note"><th scope="row" class="infobox-label">Max. length</th><td class="infobox-data">200 mi (320 km)</td></tr><tr class="note"><th scope="row" class="infobox-label">Max. width</th><td class="infobox-data">57 mi (92 km)</td></tr><tr class="note"><th scope="row" class="infobox-label"><a href="/wiki/List_of_lakes_by_area" title="List of lakes by area">Surface area</a></th><td class="infobox-data">7,700 km<sup>2</sup> (2,973 sq mi)</td></tr><tr class="note"><th scope="row" class="infobox-label">Max. depth</th><td class="infobox-data">2,000 ft (610 m)</td></tr><tr class="note"><th scope="row" class="infobox-label"><a href="/wiki/List_of_lakes_by_volume" title="List of lakes by volume">Water volume</a></th><td class="infobox-data">2,100 km<sup>3</sup> (500 cu mi)</td></tr><tr class="note"><th scope="row" class="infobox-label"><a href="/wiki/Lake_retention_time" title="Lake retention time">Residence time</a></th><td class="infobox-data">N/A due to multiple historic fill / drain events</td></tr><tr class="note"><th scope="row" class="infobox-label">Surface elevation</th><td class="infobox-data">4,206 ft (1,282 m)</td></tr><tr><th colspan="2" class="infobox-header" style="border-bottom: #cedeff 1px solid"></th></tr><tr><th scope="row" class="infobox-label">References</th><td class="infobox-data note"><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="CITEREFBjornstadc._2006" class="citation book cs1">Bjornstad, Bruce N. (c. 2006). <i>On the trail of the Ice Age floods : a geological field guide to the mid-Columbia basin / Bruce Bjornstad</i>. Sandpoint, Idaho: Keokee Books. p. 4. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-879628-27-4" title="Special:BookSources/978-1-879628-27-4"><bdi>978-1-879628-27-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=On+the+trail+of+the+Ice+Age+floods+%3A+a+geological+field+guide+to+the+mid-Columbia+basin+%2F+Bruce+Bjornstad.&rft.place=Sandpoint%2C+Idaho&rft.pages=4&rft.pub=Keokee+Books&rft.isbn=978-1-879628-27-4&rft.aulast=Bjornstad&rft.aufirst=Bruce+N.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlacial+Lake+Missoula" class="Z3988"></span></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:GLMsed.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/GLMsed.jpg/220px-GLMsed.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/GLMsed.jpg/330px-GLMsed.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/59/GLMsed.jpg/440px-GLMsed.jpg 2x" data-file-width="2048" data-file-height="1536" /></a><figcaption>Sediment deposited by the lake with a hammer for scale.</figcaption></figure> <p><b>Lake Missoula</b> was a prehistoric <a href="/wiki/Proglacial_lake" title="Proglacial lake">proglacial lake</a> in western <a href="/wiki/Montana" title="Montana">Montana</a> that existed periodically at the end of the last <a href="/wiki/Ice_age" title="Ice age">ice age</a> between 15,000 and 13,000 years ago. The lake measured about 7,770 square kilometres (3,000 sq mi) and contained about 2,100 cubic kilometres (500 cu mi) of water, half the volume of <a href="/wiki/Lake_Michigan" title="Lake Michigan">Lake Michigan</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> </p><p>The <i>Glacial Lake Missoula National Natural Landmark</i> is located about 110 kilometers (68 mi) northwest of <a href="/wiki/Missoula,_Montana" title="Missoula, Montana">Missoula, Montana</a>, at the north end of the Camas Prairie Valley, just east of Montana Highway 382 and Macfarlane Ranch. It was designated as a <a href="/wiki/National_Natural_Landmark" title="National Natural Landmark">National Natural Landmark</a> in 1966 because it contains the great ripples (often measuring 25 to 50 feet (7.6 to 15.2 m) high and 300 feet (91 m) long) that served as a strong supporting element for <a href="/wiki/J_Harlen_Bretz" title="J Harlen Bretz">J Harlen Bretz</a>'s contention that <a href="/wiki/Washington_(state)" title="Washington (state)">Washington</a> State's <a href="/wiki/Channeled_Scablands" title="Channeled Scablands">Channeled Scablands</a> were formed by repeated cataclysmic floods over only about 2,000 years, rather than through the millions of years of erosion that had been previously assumed.<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><p>The lake was the result of an <a href="/wiki/Proglacial_lake" title="Proglacial lake">ice dam</a> on the <a href="/wiki/Clark_Fork_(river)" class="mw-redirect" title="Clark Fork (river)">Clark Fork</a> caused by the southern encroachment of a finger of the <a href="/wiki/Cordilleran_ice_sheet" title="Cordilleran ice sheet">Cordilleran ice sheet</a> into the <a href="/wiki/Idaho_Panhandle" class="mw-redirect" title="Idaho Panhandle">Idaho Panhandle</a> (at the present-day location of <a href="/wiki/Clark_Fork,_Idaho" title="Clark Fork, Idaho">Clark Fork, Idaho</a>, at the east end of <a href="/wiki/Lake_Pend_Oreille" title="Lake Pend Oreille">Lake Pend Oreille</a>). The height of the ice dam typically approached 610 metres (2,000 ft), flooding the valleys of western Montana approximately 320 kilometres (200 mi) eastward. It was the largest ice-dammed lake known to have occurred.<sup id="cite_ref-Alt_4-0" class="reference"><a href="#cite_note-Alt-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>The periodic rupturing of the ice dam resulted in the <a href="/wiki/Missoula_Floods" class="mw-redirect" title="Missoula Floods">Missoula Floods</a> – cataclysmic <a href="/wiki/Flood" title="Flood">floods</a> that swept across <a href="/wiki/Eastern_Washington" title="Eastern Washington">eastern Washington</a> and down the <a href="/wiki/Columbia_River_Gorge" title="Columbia River Gorge">Columbia River Gorge</a> approximately 40 times during a 2,000 year period. The cumulative effect of the floods was to excavate 210 cubic kilometres (50 cu mi) of <a href="/wiki/Loess" title="Loess">loess</a>, sediment and basalt from the <a href="/wiki/Channeled_scablands" class="mw-redirect" title="Channeled scablands">channeled scablands</a> of eastern Washington and to transport it downstream.<sup id="cite_ref-Allen_5-0" class="reference"><a href="#cite_note-Allen-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> These floods are noteworthy for producing <a href="/wiki/Canyon" title="Canyon">canyons</a> and other large <a href="/wiki/Geologic" class="mw-redirect" title="Geologic">geologic</a> features through <a href="/wiki/Catastrophism" title="Catastrophism">cataclysms</a> rather than through more typical <a href="/wiki/Uniformitarianism" title="Uniformitarianism">gradual processes</a>. </p><p>In addition, <a href="/wiki/Middle_Pleistocene" class="mw-redirect" title="Middle Pleistocene">Middle</a> and <a href="/wiki/Early_Pleistocene" title="Early Pleistocene">Early Pleistocene</a> Missoula flood deposits have been documented to comprise parts of the <a href="/wiki/Glaciofluvial_deposits" class="mw-redirect" title="Glaciofluvial deposits">glaciofluvial deposits</a>, informally known as the <i>Hanford formation</i> that are found in parts of the Othello Channels, Columbia River Gorge, <a href="/wiki/Channeled_Scabland" class="mw-redirect" title="Channeled Scabland">Channeled Scabland</a>, Quincy Basin, Pasco Basin, and the <a href="/wiki/Walla_Walla_Valley" class="mw-redirect" title="Walla Walla Valley">Walla Walla Valley</a>. The age of these deposits is demonstrated by the presence of multiple <a href="/wiki/Interglacial" title="Interglacial">interglacial</a> <a href="/wiki/Calcrete" class="mw-redirect" title="Calcrete">calcretes</a> interbedded in these glaciofluvial deposits, sequences of sediments with normal and reverse <a href="/wiki/Magnetostratigraphy" title="Magnetostratigraphy">magnetostratigraphy</a>, <a href="/wiki/Optically_stimulated_luminescence" title="Optically stimulated luminescence">optically stimulated luminescence</a> dating, and <a href="/wiki/Unconformity" title="Unconformity">unconformity</a> truncated <a href="/wiki/Clastic_dike" title="Clastic dike">clastic dikes</a>. Based upon these criteria, Quaternary geologists estimated that the oldest of the <a href="/wiki/Pleistocene" title="Pleistocene">Pleistocene</a> Missoula floods happened before 1.5 million years ago. The older Pleistocene glaciofluvial deposits within the Hanford formation are fragmentary in nature because they have been repeatedly eroded and largely removed by subsequent Missoula floods. Because of the fragmentary nature of older glaciofluvial deposits, the exact number of older Missoula floods, which are known as <i>Ancient Cataclysmic Floods</i>, that occurred during the Pleistocene cannot be estimated with any confidence. Although Lake Missoula likely was the source of many of the Ancient Cataclysmic Floods, the fragmentary nature of the older deposits within the Hanford formation makes precise determination of the precise origin of the floods that deposited them very difficult.<sup id="cite_ref-Medley2012a_6-0" class="reference"><a href="#cite_note-Medley2012a-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Spencerothers2012a_7-0" class="reference"><a href="#cite_note-Spencerothers2012a-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Geology">Geology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=1" title="Edit section: Geology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Ice_dam_on_the_Clark_Fork_River">Ice dam on the Clark Fork River</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=2" title="Edit section: Ice dam on the Clark Fork River"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Cordilleran_ice_sheet" title="Cordilleran ice sheet">Cordilleran ice sheet</a> originating in <a href="/wiki/British_Columbia" title="British Columbia">British Columbia</a> expanded out of the mountains and southward. A tongue of ice pushed down the Purcell Valley or <a href="/wiki/Purcell_Trench" title="Purcell Trench">Purcell Trench</a>, reaching south beyond <a href="/wiki/Lake_Pend_Oreille" title="Lake Pend Oreille">Lake Pend Oreille</a>. This Purcell Lobe blocked the natural outlet of the <a href="/wiki/Clark_Fork_River" title="Clark Fork River">Clark Fork River</a>. Including its tributaries, Clark Fork represented western Montana's most important river system. The ice mass that effectively dammed Clark Fork was about 2,000 feet (610 m) deep and extended for at least 10 miles; some say it extended as much as 30 miles.<sup id="cite_ref-Floods_8-0" class="reference"><a href="#cite_note-Floods-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> The ice dam reached east up the Clark's Fork to Cabinet, Montana, and southward around the mountain to <a href="/wiki/Bayview,_Idaho" title="Bayview, Idaho">Bayview, Idaho</a> on the south tip of Lake Pend Oreille in <a href="/wiki/Farragut_State_Park" title="Farragut State Park">Farragut State Park</a>. Here, the ice sheet stood over 2,000 feet (610 m) and 25 miles (40 km) south of Lake Missoula.<sup id="cite_ref-Deluge_9-0" class="reference"><a href="#cite_note-Deluge-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Lake_levels">Lake levels</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=3" title="Edit section: Lake levels"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Clark Fork's drainage is a network of valleys among high mountain ranges. Lake Missoula formed through this region of western <a href="/wiki/Montana" title="Montana">Montana</a>. It is named for the city of <a href="/wiki/Missoula,_Montana" title="Missoula, Montana">Missoula</a> in the upper reaches of the Clark Fork watershed. The mountains surrounding the city show the <a href="/wiki/Strandlines" class="mw-redirect" title="Strandlines">strandlines</a> from the lake nearly 20,000 years ago.<sup id="cite_ref-Floods_8-1" class="reference"><a href="#cite_note-Floods-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> At its largest extent, Lake Missoula's depth exceeded 2,000 feet (610 m) and may have held 600 cu mi (2,500 km<sup>3</sup>) of water, as much as Lake Erie and Lake Ontario combined. The surface area covered 3,000 sq mi (7,770 km<sup>2</sup>) and the shoreline attained an elevation of 4,200 feet (1,300 m). </p><p>The lake spread through the <a href="/wiki/Clark_Fork_River" title="Clark Fork River">Clark Fork River</a> basin, reaching east of Missoula, 259 miles (417 km) to <a href="/wiki/Gold_Creek_(Montana)" title="Gold Creek (Montana)">Gold Creek</a>; northeast up the <a href="/wiki/Blackfoot_River_(Montana)" title="Blackfoot River (Montana)">Blackfoot River</a> 270 miles (430 km) to Lake Alva; 253 miles (407 km) and east of <a href="/wiki/Ovando,_Montana" title="Ovando, Montana">Ovando</a> 270 miles (430 km). Two large lobes formed to the south and north. To the south the Bitterroot Valley filled as far as <a href="/wiki/Sula,_Montana" title="Sula, Montana">Sula, Montana</a>, 286 miles (460 km). To the north the <a href="/wiki/Flathead_River" title="Flathead River">Flathead River</a> basin became an expansive body of water, creating an island of <a href="/w/index.php?title=Red_Sleep_Mountain&action=edit&redlink=1" class="new" title="Red Sleep Mountain (page does not exist)">Red Sleep Mountain</a> (in the <a href="/wiki/CSKT_Bison_Range" title="CSKT Bison Range">CSKT Bison Range</a>) and extending north 286 miles (460 km) to <a href="/wiki/Polson,_Montana" title="Polson, Montana">Polson</a> at the basin of the Flathead Ice Lobe and 286 miles (460 km) up the <a href="/wiki/Little_Bitterroot_River" title="Little Bitterroot River">Little Bitterroot River</a> to Niarada some 132 miles (212 km) above the Flathead Rivers mouth at the Clarks Fork.<sup id="cite_ref-Floods_8-2" class="reference"><a href="#cite_note-Floods-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>The water was deep (average - 800 feet (240 m)): maximum - 2,100 feet (640 m)), dark and murky with sediment. Fish fossils have not been found in deposits of Lake Missoula. Possibly, glacial sediment, <a href="/wiki/Rock_flour" title="Rock flour">rock flour</a>, suspended in the turbid lake water which created an hostile aquatic habitat for fish. In addition, fossils of large mammals (<a href="/wiki/Megafauna" title="Megafauna">megafauna</a>), i.e.; <a href="/wiki/Mammoths" class="mw-redirect" title="Mammoths">mammoths</a>, <a href="/wiki/Mastodons" class="mw-redirect" title="Mastodons">mastodons</a> and <a href="/wiki/Bison" title="Bison">bison</a> which may have roamed nearby, not been found. Similarly, neither the remains or artifacts of contemporaneous humans have been found associated with Lake Missoula.<sup id="cite_ref-Floods_8-3" class="reference"><a href="#cite_note-Floods-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> The Clark Fork River flows into Lake Pend Oreille at 2,062 feet (628 m).<sup id="cite_ref-Floods_8-4" class="reference"><a href="#cite_note-Floods-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Basins_of_Lake_Missoula">Basins of Lake Missoula</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=4" title="Edit section: Basins of Lake Missoula"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable" style="text-align: center; width: 800px; height: 200px;"> <caption><b>Reaches of Glacial Lake Missoula</b> </caption> <tbody><tr> <th>Reach<sup id="cite_ref-Floods_8-5" class="reference"><a href="#cite_note-Floods-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </th> <th>Riverway<sup id="cite_ref-Floods_8-6" class="reference"><a href="#cite_note-Floods-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </th> <th>Length </th> <th>Max depth<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </th> <th>Outlet<sup id="cite_ref-Floods_8-7" class="reference"><a href="#cite_note-Floods-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </th> <th>Features </th></tr> <tr> <td>Clark Fork Canyon </td> <td><a href="/wiki/Clark_Fork_River" title="Clark Fork River">Clark Fork River</a> </td> <td>92 miles (148 km) from the ice dam at <a href="/wiki/Lake_Pend_Oreille" title="Lake Pend Oreille">Lake Pend Oreille</a> to Ninemile </td> <td>2,150 feet (660 m) </td> <td>Blocked at <a href="/wiki/Lake_Pend_Orielle" class="mw-redirect" title="Lake Pend Orielle">Lake Pend Orielle</a> in Idaho </td> <td>Eddy Narrows, St. Regis Notch, Ninemile Rhythmites </td></tr> <tr> <td>Flathead River Basin </td> <td><a href="/wiki/Flathead_River" title="Flathead River">Flathead River</a> </td> <td>71 miles (114 km) from the Clark Fork at <a href="/wiki/Paradise,_Montana" title="Paradise, Montana">Paradise</a> to <a href="/wiki/Polson,_Montana" title="Polson, Montana">Polson</a>, where the glacier stood </td> <td>1,665 feet (507 m) at <a href="/wiki/Perma,_Montana" class="mw-redirect" title="Perma, Montana">Perma</a> </td> <td>Joins the Clark Fork River at Paradise </td> <td><a href="/wiki/Pingo" title="Pingo">Ninepipes Pingo Scars</a>, Paradise Center, <a href="/wiki/CSKT_Bison_Range" title="CSKT Bison Range">CSKT Bison Range</a>, Sloan Bridge Sediments </td></tr> <tr> <td>Little Bitterroot Valley </td> <td><a href="/wiki/Little_Bitterroot_River" title="Little Bitterroot River">Little Bitterroot River</a> </td> <td>43 miles (69 km) from the Flathead River to the glacial front near <a href="/wiki/Niarada,_Montana" title="Niarada, Montana">Niarada</a> </td> <td>1,363 feet (415 m) at <a href="/wiki/Camas_Prairie" class="mw-redirect" title="Camas Prairie">Camas Prairie</a> </td> <td>Joins the Clark Fork River near <a href="/wiki/Ninepipe_National_Wildlife_Refuge" title="Ninepipe National Wildlife Refuge">Ninepipe National Wildlife Refuge</a> at Sloan Bridge and crossed the divide between the Clark Fork and the Little Bitterroot Rivers at Rainbow Lake </td> <td>Gulch Fill, Rainbow "Dog" Lake, <a href="/wiki/Kolk_(vortex)" title="Kolk (vortex)">Markle Pass Kolk</a>, Camas Prairie Ripples </td></tr> <tr> <td>Missoula Basin </td> <td><a href="/wiki/Clark_Fork_River" title="Clark Fork River">Clark Fork River</a> </td> <td>37 miles (60 km) from Ninemile to <a href="/wiki/Lolo,_Montana" title="Lolo, Montana">Lolo</a> </td> <td>1,176 feet (358 m) at Ninemile </td> <td>Enters the lower Clark Fork Canyon Reach at Ninemile </td> <td><a href="/wiki/Glacial_erratic" title="Glacial erratic">Glacial erratic</a> and <a href="/wiki/Mount_Jumbo" title="Mount Jumbo">Strandlines</a> </td></tr> <tr> <td>Bitterroot Valley </td> <td><a href="/wiki/Bitterroot_River" title="Bitterroot River">Bitterroot River</a> </td> <td>68 miles (109 km) from <a href="/wiki/Lolo,_Montana" title="Lolo, Montana">Lolo</a> in the Missoula Basin to near <a href="/wiki/Sula,_Montana" title="Sula, Montana">Sula</a> </td> <td>940 feet (290 m) at Lolo </td> <td>Enters Missoula Basin at Lolo </td> <td>Features </td></tr> <tr> <td>Blackfoot River Valley </td> <td><a href="/wiki/Blackfoot_River_(Montana)" title="Blackfoot River (Montana)">Blackfoot River</a> </td> <td>57 miles (92 km) from <a href="/wiki/Bonner,_Montana" class="mw-redirect" title="Bonner, Montana">Bonner</a> to <a href="/w/index.php?title=Rainy_Lake_(Montana)&action=edit&redlink=1" class="new" title="Rainy Lake (Montana) (page does not exist)">Rainy Lake</a> on the <a href="/w/index.php?title=Clearwater_River_(Montana)&action=edit&redlink=1" class="new" title="Clearwater River (Montana) (page does not exist)">Clearwater River</a> and 73 miles (117 km) up the Blackfoot River to near Helmsville </td> <td>566 feet (173 m) at <a href="/wiki/Potomac,_Montana" title="Potomac, Montana">Potomac</a> </td> <td>Joins the Clark Fork River </td> <td>Features </td></tr> <tr> <td>Upper Clark Fork </td> <td><a href="/wiki/Clark_Fork_River" title="Clark Fork River">Clark Fork River</a> </td> <td>55 miles (89 km) from the Bonner Flats to near <a href="/wiki/Gold_Creek,_Montana" class="mw-redirect" title="Gold Creek, Montana">Gold Creek</a> on Interstate 90 </td> <td>1,197 feet (365 m) at <a href="/wiki/Bonner,_Montana" class="mw-redirect" title="Bonner, Montana">Bonner</a> </td> <td>Enters the Missoula Basin of the Clark Fork River west of Bonner </td> <td>Gold Creek High Water Monument </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Clark_Fork_Canyon">Clark Fork Canyon</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=5" title="Edit section: Clark Fork Canyon"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>This reach follows Montana Route 200 up the <a href="/wiki/Clark_Fork_River" title="Clark Fork River">Clark Fork River</a> canyon, 92 miles (148 km) to <a href="/wiki/Paradise,_Montana" title="Paradise, Montana">Paradise</a>, then follows the Clark Fork, then 49 miles (79 km) through the Paradise-St. Regis Canyon along <a href="/wiki/Montana_Highway_135" title="Montana Highway 135">Montana Highway 135</a>. At <a href="/wiki/St._Regis,_Montana" title="St. Regis, Montana">St. Regis</a>, the canyon opens out and continues to the east 49 miles (79 km) with the river paralleled by Interstate 90 to as far as Ninemile, where it opens out into the Missoula basin. A western branch of this basin runs up the <a href="/wiki/St._Regis_River_(Montana)" title="St. Regis River (Montana)">St. Regis River</a> another 32 miles (51 km) along with Interstate 90 to near <a href="/wiki/Riverbend,_Montana" title="Riverbend, Montana">Riverbend</a>. </p> <ul><li><a href="/wiki/Lookout_Pass" title="Lookout Pass">Lookout Pass</a>, 4,679 feet (1,426 m) asl along Interstate 90</li> <li><a href="/wiki/Thompson_Falls,_Montana" title="Thompson Falls, Montana">Thompson Falls</a> – Located in the northern or western reach of the basin, the modern river passes through a layer of harder rock, forming a cascade. <dl><dd>Nine Mile Rhythmites – Located at the eastern end of the basin, near Nine Mile. A light pink sand and silt deposited on the bottom of the lake. The silt deposits exist where the basin was wide, and when the lake drained, the area was not reached by the fast current of the water moving downstream. Each lay represents a period of still water behind the ice dam. The series reflects each period of still water with the intervening draining of the lake. As with "<a href="/wiki/Varve" title="Varve">varves</a>", darker layers are winter deposits, comprising fine particles in quiet water, and the lighter layers are coarser particles from the more active summer currents. Here, the number of layers represent 1,000 years of sediment.<sup id="cite_ref-CataclysmicLake2019_11-0" class="reference"><a href="#cite_note-CataclysmicLake2019-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></dd></dl></li></ul> <div class="mw-heading mw-heading3"><h3 id="Flathead_Basin">Flathead Basin</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=6" title="Edit section: Flathead Basin"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Flathead basin abutted the south face of the ice sheet. For most of this period, the glacial ice reached south to <a href="/wiki/Polson,_Montana" title="Polson, Montana">Polson</a>, covering the entirety of <a href="/wiki/Flathead_Lake" title="Flathead Lake">Flathead Lake</a>. The basin drains from the Polson Moraine at the south end of Flathead Lake, south to <a href="/wiki/Ravalli,_Montana" title="Ravalli, Montana">Ravalli</a>, with a major lobe up the Little Bitterroot River and a minor basin on Camas Creek near <a href="/wiki/Perma,_Montana" class="mw-redirect" title="Perma, Montana">Perma</a>. </p> <ul><li>Little Money Creek Gulch Fill – Exit 96, north on US 93 to Ravalli. The coarse materials filled the side gulches on the narrow valley as Lake Missoula drained; eddy currents in tributary gulches deposited debris.<sup id="cite_ref-CataclysmicLake2019_11-1" class="reference"><a href="#cite_note-CataclysmicLake2019-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></li> <li>Rainbow "Dog" Lake – Drains into the Clark Fork near <a href="/wiki/Plains,_Montana" title="Plains, Montana">Plains</a>. During the existence of Lake Missoula, it was a drain for the Little Bitterroot basin when the lake level exceeded 3,620 feet (1,100 m) asl and for the Camas Prairie basin when the lake level exceeded 3,680 feet (1,120 m) asl. At the maximum depth of Lake Missoula, the valley was a 520-foot-deep (160 m) waterway. Rainbow Lake is thought to be a cataract retreat lake, formed by a 100-foot (30 m) waterfall. The Clark Fork River dropped 1,700 feet (520 m) near Plains, creating a 60 to 70 miles per hour (97 to 113 km/h) current through Boyer Creek. A weaker layer of rock beneath a more resistant layer was removed, causing the lip of the falls to retreat backward. Evidence is provided by the debris that lines the valley bottom.<sup id="cite_ref-CataclysmicLake2019_11-2" class="reference"><a href="#cite_note-CataclysmicLake2019-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Camas_prairie" title="Camas prairie">Camas Prairie</a> <a href="/wiki/Giant_current_ripples" title="Giant current ripples">Mega ripples</a> – Camas Prairie is a small basin on Camas Creek, north of Perma. At the maximum water levels of the Hwy 382 through the prairie to information sign at mile marker13. Multiple long ridges of sediment, 25 feet (7.6 m) height and 100 feet (30 m) apart. Average height between 13 and 30 feet (4.0 and 9.1 m). Formed during the outflow of water during a break in the ice dam.<sup id="cite_ref-CataclysmicLake2019_11-3" class="reference"><a href="#cite_note-CataclysmicLake2019-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> The Camas Prairie Basin filled when Lake Missoula reached 2,770 feet (840 m) asl. As the water in the Lake Missoula Basin rose, this basin gained a second outlet through Rainbow Lake at 3,588 feet (1,094 m) asl; Willis Gulch 3,349 feet (1,021 m) asl; Markle Pass 3,352 feet (1,022 m) asl; and Big Gulch 3,435 feet (1,047 m) asl.</li> <li>Markle Pass Kolks – Montana Highway 382 travels through Markle Pass between Camas Prairie and the Little Bitterroot Valley. The <a href="/wiki/Kolk_(vortex)" title="Kolk (vortex)">Kolks</a> were carved out of the bedrock by strong underwater <a href="/wiki/Vortices" class="mw-redirect" title="Vortices">vortices</a> created as Lake Missoula quickly drained during the great floods. When the tornado-like currents reached the bottom of the waterway, rocks were pulled out of the bottom surface. This debris can be found downstream towards Camas Prairie and Burgess Lake.<sup id="cite_ref-CataclysmicLake2019_11-4" class="reference"><a href="#cite_note-CataclysmicLake2019-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading3"><h3 id="Missoula_Basin">Missoula Basin</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=7" title="Edit section: Missoula Basin"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The basin extends from <a href="/wiki/Missoula" class="mw-redirect" title="Missoula">Missoula</a>, west to Ninemile and up the Ninemile Creek valley. This 39-mile-long (63 km) valley broadens from 5 miles (8 km) at Ninemile to 10 miles (16 km) at Missoula. The central part of this basin around Missoula is 8 miles (13 km) wide east–west and 10 miles (16 km) north-south. The basin is bordered by Rattlesnake Ridge on the north and Petty Mountain on the south(west). Features: strandlines along the valleys east flank. </p> <ul><li><a href="/wiki/Glacial_erratic" title="Glacial erratic">Glacial erratic</a> on the grounds of the <a href="/wiki/University_of_Montana" title="University of Montana">University of Montana</a><sup id="cite_ref-CataclysmicLake2019_11-5" class="reference"><a href="#cite_note-CataclysmicLake2019-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/High_water_mark" title="High water mark">Strandlines</a> can be seen on the slopes of both <a href="/wiki/Mount_Jumbo" title="Mount Jumbo">Mount Jumbo</a> (4,764 feet (1,452 m) asl) and <a href="/wiki/Mount_Sentinel" title="Mount Sentinel">Mount Sentinel</a> (5,081 feet (1,549 m) asl), east in the Missoula Valley. These lines represent lake levels as the ice dam in the <a href="/wiki/Purcell_Trench" title="Purcell Trench">Purcell Trench</a> failed and a lower lake level formed.<sup id="cite_ref-CataclysmicLake2019_11-6" class="reference"><a href="#cite_note-CataclysmicLake2019-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></li> <li>Nine Mile Rhythmites on the bottom of the lake are visible.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Hamilton_Basin">Hamilton Basin</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=8" title="Edit section: Hamilton Basin"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The basin extends from south of <a href="/wiki/Conner,_Montana" title="Conner, Montana">Conner</a> to <a href="/wiki/Lolo,_Montana" title="Lolo, Montana">Lolo</a>, 57 miles (92 km) to the north. The <a href="/wiki/Bitterroot_Mountains" title="Bitterroot Mountains">Bitterroot Mountains</a> form the west shore and the <a href="/wiki/Sapphire_Mountains" title="Sapphire Mountains">Sapphire Mountains</a> the east. </p> <div class="mw-heading mw-heading3"><h3 id="Blackfoot_River_Basin">Blackfoot River Basin</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=9" title="Edit section: Blackfoot River Basin"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The valleys of <a href="/wiki/Potomac,_Montana" title="Potomac, Montana">Potomac</a>, Greenough, and <a href="/wiki/Ovando,_Montana" title="Ovando, Montana">Ovando</a>-<a href="/wiki/Helmville,_Montana" title="Helmville, Montana">Helmville</a> are linked by the <a href="/wiki/Blackfoot_River_(Montana)" title="Blackfoot River (Montana)">Blackfoot River</a> east of Missoula. A second reach, up the <a href="/w/index.php?title=Clearwater_River_(Montana)&action=edit&redlink=1" class="new" title="Clearwater River (Montana) (page does not exist)">Clearwater River</a>, joins the Blackfoot River at Clearwater. This basin joins the Clark Fork at <a href="/wiki/Bonner,_Montana" class="mw-redirect" title="Bonner, Montana">Bonner</a>. Upper valleys of the Clearwater-Blackfoot River basins run 394 miles (634 km) from <a href="/wiki/Seeley_Lake,_Montana" title="Seeley Lake, Montana">Seeley Lake</a>, eastward to Browns Lake along Montana Route 83 and Montana Route 200. </p> <div class="mw-heading mw-heading3"><h3 id="Upper_Clark_Fork">Upper Clark Fork</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Glacial_Lake_Missoula&action=edit&section=10" title="Edit section: Upper Clark Fork"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Clark Fork of the Columbia River has its headwater near <a href="/wiki/Butte,_Montana" title="Butte, Montana">Butte</a>, 130 miles (210 km) east of Missoula. Lake Missoula reached up the valley, about 55 miles (89 km) to the east along I-90 to just east of <a href="/wiki/Gold_Creek,_Montana" class="mw-redirect" title="Gold Creek, Montana">Gold Creek</a>. Smaller reaches formed along the tributary valleys of Gold Creek, 13.5 miles (21.7 km) up Flint Creek, forming an 8-mile-wide (13 km) basin, up Lower Willow Creek, and 20 miles (32 km) up Rock Creek. </p> <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=Glacial_Lake_Missoula&action=edit&section=11" title="Edit section: See also"><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:Map_missoula_floods.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Map_missoula_floods.gif/220px-Map_missoula_floods.gif" decoding="async" width="220" height="158" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Map_missoula_floods.gif/330px-Map_missoula_floods.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Map_missoula_floods.gif/440px-Map_missoula_floods.gif 2x" data-file-width="668" data-file-height="481" /></a><figcaption><style data-mw-deduplicate="TemplateStyles:r981673959">.mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{}</style><div class="legend"><span class="legend-color mw-no-invert" style="background-color:#00CEFF; color:black;"> </span> Cordilleran Ice Sheet</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><div class="legend"><span class="legend-color mw-no-invert" style="background-color:#FFFF00; color:black;"> </span> maximum extent of Glacial Lake Missoula (eastern) and Glacial Lake Columbia (western)</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><div class="legend"><span class="legend-color mw-no-invert" style="background-color:#FFCE00; color:black;"> </span> areas swept by Missoula and Columbia floods</div></figcaption></figure> <ul><li><a href="/wiki/Missoula_floods" title="Missoula floods">Missoula floods</a> – Heavy floods of the last ice age</li> <li><a href="/wiki/Glacial_lake_outburst_flood" title="Glacial lake outburst flood">Glacial lake outburst flood</a> – Type of outburst flood that occurs when the dam containing a glacial lake fails</li> <li><a href="/wiki/Giant_current_ripples" title="Giant current ripples">Giant current ripples</a> – Depositional forms in channeled scablands</li> <li><a href="/wiki/Ice_Age_Floods_National_Geologic_Trail" title="Ice Age Floods National Geologic Trail">Ice Age Floods National Geologic Trail</a> – Network of routes connecting natural sites</li> <li><a href="/wiki/List_of_prehistoric_lakes" title="List of prehistoric lakes">List of prehistoric lakes</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=Glacial_Lake_Missoula&action=edit&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-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBjornstadc._2006" class="citation book cs1">Bjornstad, Bruce N. (c. 2006). <i>On the trail of the Ice Age floods : a geological field guide to the mid-Columbia basin / Bruce Bjornstad</i>. Sandpoint, Idaho: Keokee Books. p. 4. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-879628-27-4" title="Special:BookSources/978-1-879628-27-4"><bdi>978-1-879628-27-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=On+the+trail+of+the+Ice+Age+floods+%3A+a+geological+field+guide+to+the+mid-Columbia+basin+%2F+Bruce+Bjornstad.&rft.place=Sandpoint%2C+Idaho&rft.pages=4&rft.pub=Keokee+Books&rft.isbn=978-1-879628-27-4&rft.aulast=Bjornstad&rft.aufirst=Bruce+N.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlacial+Lake+Missoula" 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 id="CITEREFSoennichsenc._2008" class="citation book cs1">Soennichsen, John (c. 2008). <i>Bretz's Flood : The Remarkable Story of a Rebel Geologist and the World's Greatest Flood / John Soennichsen</i>. Seattle, Washington: Sasquatch Books. pp. 215–248. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-57061-631-0" title="Special:BookSources/978-1-57061-631-0"><bdi>978-1-57061-631-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Bretz%27s+Flood+%3A+The+Remarkable+Story+of+a+Rebel+Geologist+and+the+World%27s+Greatest+Flood+%2F+John+Soennichsen.&rft.place=Seattle%2C+Washington&rft.pages=215-248&rft.pub=Sasquatch+Books&rft.isbn=978-1-57061-631-0&rft.aulast=Soennichsen&rft.aufirst=John&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlacial+Lake+Missoula" 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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nps.gov/subjects/nnlandmarks/site.htm?Site=GLLA-MT">"National Natural Landmarks - National Natural Landmarks (U.S. National Park Service)"</a>. <i>www.nps.gov</i><span class="reference-accessdate">. Retrieved <span class="nowrap">March 22,</span> 2019</span>. <q>Year designated: 1966</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.nps.gov&rft.atitle=National+Natural+Landmarks+-+National+Natural+Landmarks+%28U.S.+National+Park+Service%29&rft_id=https%3A%2F%2Fwww.nps.gov%2Fsubjects%2Fnnlandmarks%2Fsite.htm%3FSite%3DGLLA-MT&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlacial+Lake+Missoula" class="Z3988"></span></span> </li> <li id="cite_note-Alt-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-Alt_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAltc._2001" class="citation book cs1">Alt, David (c. 2001). <i>Glacial Lake Missoula and Its Humongous Floods / David Alt</i>. Missoula, Montana: Mountain Press. pp. 27–28. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-87842-415-6" title="Special:BookSources/0-87842-415-6"><bdi>0-87842-415-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Glacial+Lake+Missoula+and+Its+Humongous+Floods+%2F+David+Alt&rft.place=Missoula%2C+Montana&rft.pages=27-28&rft.pub=Mountain+Press&rft.isbn=0-87842-415-6&rft.aulast=Alt&rft.aufirst=David&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlacial+Lake+Missoula" class="Z3988"></span></span> </li> <li id="cite_note-Allen-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-Allen_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAllenBurns,_MarjorieSargent,_Sam_C.c._1986" class="citation book cs1">Allen, John Eliot; Burns, Marjorie; Sargent, Sam C. (c. 1986). <i>Cataclysms on the Columbia : a layman's guide to the features produced by the catastrophic Bretz floods in the Pacific Northwest</i>. Portland, OR: Timber Press. p. 104. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-88192-067-3" title="Special:BookSources/0-88192-067-3"><bdi>0-88192-067-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Cataclysms+on+the+Columbia+%3A+a+layman%27s+guide+to+the+features+produced+by+the+catastrophic+Bretz+floods+in+the+Pacific+Northwest&rft.place=Portland%2C+OR&rft.pages=104&rft.pub=Timber+Press&rft.isbn=0-88192-067-3&rft.aulast=Allen&rft.aufirst=John+Eliot&rft.au=Burns%2C+Marjorie&rft.au=Sargent%2C+Sam+C.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGlacial+Lake+Missoula" class="Z3988"></span></span> </li> <li id="cite_note-Medley2012a-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-Medley2012a_6-0">^</a></b></span> <span class="reference-text">Medley, E. (2012) <i>Ancient Cataclysmic Floods in the Pacific Northwest: Ancestors to the Missoula Floods.</i> Unpublished Masters thesis, Portland State University, Portland, Oregon. 174 pp.</span> </li> <li id="cite_note-Spencerothers2012a-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-Spencerothers2012a_7-0">^</a></b></span> <span class="reference-text">Spencer, P. K., and M. A. Jaffee (2002) <i>Pre-Late Wisconsinan Glacial Outburst Floods in Southeastern Washington—The Indirect Record.</i> Washington Geology. vol. 30, no. 1/2, pp. 9-16.</span> </li> <li id="cite_note-Floods-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-Floods_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Floods_8-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Floods_8-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Floods_8-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Floods_8-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-Floods_8-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-Floods_8-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-Floods_8-7"><sup><i><b>h</b></i></sup></a></span> <span class="reference-text">Glacial Lake Missoula; The glacial lake, at its maximum height and extent, may have contained 500 - 600 cubic miles of water; 9/18/2019; hugefloods.com/LakeMissoula.html</span> </li> <li id="cite_note-Deluge-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-Deluge_9-0">^</a></b></span> <span class="reference-text">Our Cataclysmic Floodscape, A Guide to the Incredible Ice Age Floods in Northern Idaho; Ice Age Flood Institute, Oregon-Washington-Idaho-Montana; IAFI.org</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">My Elevation, RDH Software, Version 11.52; 2014-2019 by RDH Software</span> </li> <li id="cite_note-CataclysmicLake2019-11"><span class="mw-cite-backlink">^ <a href="#cite_ref-CataclysmicLake2019_11-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-CataclysmicLake2019_11-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-CataclysmicLake2019_11-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-CataclysmicLake2019_11-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-CataclysmicLake2019_11-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-CataclysmicLake2019_11-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-CataclysmicLake2019_11-6"><sup><i><b>g</b></i></sup></a></span> <span class="reference-text">A Guide to the Incredible Ice Age Floods "Where IT Began" – Glacial Lake Missoula, Our Cataclysmic Floodscape; Ice Age Flood Institute, Oregon – Washington – Idaho – Montana; IAFI.org; 9/25/2019</span> </li> </ol></div></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; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Glacial_Lake_Missoula" class="extiw" title="commons:Category:Glacial Lake Missoula">Glacial Lake Missoula</a></span>.</div></div> </div> <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=Glacial_Lake_Missoula&action=edit&section=13" 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="https://volcanoes.usgs.gov/observatories/cvo/Historical/LewisClark/Maps/map_missoula_floods.shtml">USGS Site on Glacial Lake Missoula</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20111022154551/http://www.nature.nps.gov/nnl/site.cfm?Site=GLLA-MT">US Park Service Site for Glacial Lake Missoula National Natural Landmark</a></li> <li><a href="/wiki/Public_Broadcasting_Service" class="mw-redirect" title="Public Broadcasting Service">PBS</a>'s <a href="/wiki/Nova_(American_TV_program)" title="Nova (American TV program)">NOVA (TV series)</a>: <a rel="nofollow" class="external text" href="https://www.pbs.org/wgbh/nova/megaflood/">Mystery of the Megaflood</a> for information on the Missoula Floods</li> <li><a rel="nofollow" class="external text" href="http://seattletimes.nwsource.com/html/pacificnw09302007/2003905120_pacificpice30.html">The Seattle Times' <i>Pacific NW</i> magazine</a> - "Trailing an Apocalypse" - 30-Sep-2007</li> <li><a rel="nofollow" class="external text" href="http://www.iafi.org">The Ice Age Floods Institute</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110715051759/http://www.patiastephens.com/PDFs/montanan-sedimental-journey.pdf">U of Montana publication, The Montanan, "Sedimental Journey: Following the Path of Glacial Lake Missoula's Flood Waters."</a></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 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.navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Ice_Age_Floods" title="Template:Ice Age Floods"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Ice_Age_Floods" title="Template talk:Ice Age Floods"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Ice_Age_Floods" title="Special:EditPage/Template:Ice Age Floods"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Ice_Age_Floods_National_Geologic_Trail_in_the_Pacific_Northwest" style="font-size:114%;margin:0 4em"><a href="/wiki/Ice_Age_Floods_National_Geologic_Trail" title="Ice Age Floods National Geologic Trail">Ice Age Floods National Geologic Trail</a> in the <a href="/wiki/Pacific_Northwest" title="Pacific Northwest">Pacific Northwest</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Ice Age Glacial Floods</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/Missoula_Floods" class="mw-redirect" title="Missoula Floods">Missoula Floods</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="6" style="width:1px;padding:0 0 0 2px"><div><figure class="mw-halign-right" typeof="mw:File"><a href="/wiki/File:Wallula-Gap-the-sisters.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/Wallula-Gap-the-sisters.JPG/50px-Wallula-Gap-the-sisters.JPG" decoding="async" width="50" height="67" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/Wallula-Gap-the-sisters.JPG/75px-Wallula-Gap-the-sisters.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/62/Wallula-Gap-the-sisters.JPG/100px-Wallula-Gap-the-sisters.JPG 2x" data-file-width="1339" data-file-height="1786" /></a><figcaption></figcaption></figure></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Glacial Lakes</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 class="mw-selflink selflink">Glacial Lake Missoula</a></li> <li><a href="/wiki/Glacial_Lake_Columbia" title="Glacial Lake Columbia">Glacial Lake Columbia</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Temporary Lakes</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/Lake_Lewis" title="Lake Lewis">Lake Lewis</a></li> <li><a href="/wiki/Lake_Condon" title="Lake Condon">Lake Condon</a></li> <li><a href="/wiki/Lake_Allison" title="Lake Allison">Lake Allison</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Ice Age Floods Glacial Residue</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/Withrow_Moraine_and_Jameson_Lake_Drumlin_Field" title="Withrow Moraine and Jameson Lake Drumlin Field">Withrow Moraine</a></li> <li><a href="/wiki/Boulder_Park" title="Boulder Park">Boulder Park</a></li> <li><a href="/wiki/Sims_Corner_Eskers_and_Kames" title="Sims Corner Eskers and Kames">Sims Corner Eskers and Kames</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Ice Age Floods Erosion & Deposition Features</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/Foster_Coulee" title="Foster Coulee">Foster Coulee</a></li> <li><a href="/wiki/Grand_Coulee" title="Grand Coulee">Grand Coulee</a></li> <li><a href="/wiki/Moses_Coulee" title="Moses Coulee">Moses Coulee</a></li> <li><a href="/wiki/Channeled_Scablands" title="Channeled Scablands">Channeled Scablands</a></li> <li><a href="/wiki/Dry_Falls" title="Dry Falls">Dry Falls</a></li> <li><a href="/wiki/Drumheller_Channels_National_Natural_Landmark" title="Drumheller Channels National Natural Landmark">Drumheller Channels</a></li> <li><a href="/wiki/Crab_Creek" title="Crab Creek">Crab Creek</a></li> <li><a href="/wiki/Corfu_Slide" title="Corfu Slide">Corfu Slide</a></li> <li><a href="/wiki/Palouse_Falls" title="Palouse Falls">Palouse Falls</a></li> <li><a href="/wiki/Touchet_Formation" title="Touchet Formation">Touchet Formation</a></li> <li><a href="/wiki/Wallula_Gap" title="Wallula Gap">Wallula Gap</a></li> <li><a href="/wiki/Columbia_River_Gorge" title="Columbia River Gorge">Columbia River Gorge</a></li> <li><a href="/wiki/Alameda_Ridge" title="Alameda Ridge">Alameda Ridge</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related contemporaneous events</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/Bonneville_Flood" class="mw-redirect" title="Bonneville Flood">Bonneville Flood</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="Pleistocene_proglacial_lakes_and_related_seas" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse 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:Pleistocene_Lakes_and_Seas" title="Template:Pleistocene Lakes and Seas"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Pleistocene_Lakes_and_Seas" title="Template talk:Pleistocene Lakes and Seas"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Pleistocene_Lakes_and_Seas" title="Special:EditPage/Template:Pleistocene Lakes and Seas"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Pleistocene_proglacial_lakes_and_related_seas" style="font-size:114%;margin:0 4em"><a href="/wiki/Pleistocene" title="Pleistocene">Pleistocene</a> <a href="/wiki/Proglacial_lake" title="Proglacial lake">proglacial lakes</a> and related seas</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Africa</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/Lake_Makgadikgadi" title="Lake Makgadikgadi">Lake Makgadikgadi</a></li> <li><a href="/wiki/Lake_Ptolemy" title="Lake Ptolemy">Lake Ptolemy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Antarctica</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/Lake_Washburn_(Antarctica)" title="Lake Washburn (Antarctica)">Lake Washburn</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Asia</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/Lake_Bandung" title="Lake Bandung">Lake Bandung</a></li> <li><a href="/wiki/Lake_Tengger" title="Lake Tengger">Lake Tengger</a></li> <li><a href="/wiki/Mundafan" title="Mundafan">Mundafan</a></li> <li><a href="/wiki/West_Siberian_Glacial_Lake" title="West Siberian Glacial Lake">West Siberian Glacial Lake</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Europe</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Baltic Sea</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ancylus_Lake" title="Ancylus Lake">Ancylus Lake</a></li> <li><a href="/wiki/Baltic_Ice_Lake" title="Baltic Ice Lake">Baltic Ice Lake</a></li> <li><a href="/wiki/Littorina_Sea" title="Littorina Sea">Littorina Sea</a></li> <li><a href="/wiki/Mastogloia_Sea" title="Mastogloia Sea">Mastogloia Sea</a></li> <li><a href="/wiki/Yoldia_Sea" title="Yoldia Sea">Yoldia Sea</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Russia</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Komi" title="Lake Komi">Lake Komi</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Great Britain</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Harrison" title="Lake Harrison">Lake Harrison</a></li> <li><a href="/wiki/Lake_Lapworth" title="Lake Lapworth">Lake Lapworth</a></li> <li><a href="/wiki/Lake_Pickering" title="Lake Pickering">Lake Pickering</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">North America</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Nelson_River" title="Nelson River">Nelson River</a> drainage</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Agassiz" title="Lake Agassiz">Lake Agassiz</a></li> <li><a href="/wiki/Lake_Bassano" title="Lake Bassano">Lake Bassano</a></li> <li><a href="/wiki/Lake_Souris" title="Lake Souris">Lake Souris</a></li> <li><a href="/wiki/Proglacial_lakes_of_Minnesota" title="Proglacial lakes of Minnesota">Proglacial lakes of Minnesota</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/James_Bay" title="James Bay">James Bay</a> drainage</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Ojibway" title="Lake Ojibway">Lake Ojibway</a></li> <li><a href="/wiki/Tyrrell_Sea" title="Tyrrell Sea">Tyrrell Sea</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Great_Lakes" title="Great Lakes">Great Lakes</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Champlain_Sea" title="Champlain Sea">Champlain Sea</a></li> <li><a href="/wiki/Lake_Admiralty" title="Lake Admiralty">Lake Admiralty</a></li> <li><a href="/wiki/Lake_Algonquin" title="Lake Algonquin">Lake Algonquin</a> (Multiple basins)</li> <li><a href="/wiki/Lake_Arkona" title="Lake Arkona">Lake Arkona</a></li> <li><a href="/wiki/Lake_Chicago" title="Lake Chicago">Lake Chicago</a></li> <li><a href="/wiki/Lake_Chippewa" title="Lake Chippewa">Lake Chippewa</a></li> <li><a href="/wiki/Dana_Lake" title="Dana Lake">Lake Dana</a></li> <li><a href="/wiki/Lake_Duluth" title="Lake Duluth">Lake Duluth</a></li> <li><a href="/wiki/Early_Lake_Erie" title="Early Lake Erie">Early Lake Erie</a></li> <li><a href="/wiki/Lake_Frontenac" title="Lake Frontenac">Lake Frontenac</a></li> <li><a href="/w/index.php?title=Lake_Houghton_(glacial)&action=edit&redlink=1" class="new" title="Lake Houghton (glacial) (page does not exist)">Lake Houghton (glacial)</a></li> <li><a href="/wiki/Glacial_Lake_Iroquois" title="Glacial Lake Iroquois">Glacial Lake Iroquois</a></li> <li><a href="/w/index.php?title=Lake_Lundy&action=edit&redlink=1" class="new" title="Lake Lundy (page does not exist)">Lake Lundy</a></li> <li><a href="/wiki/Lake_Maumee" title="Lake Maumee">Lake Maumee</a></li> <li><a href="/wiki/Lake_Minong" title="Lake Minong">Lake Minong</a></li> <li><a href="/wiki/Nipissing_Great_Lakes" title="Nipissing Great Lakes">Nipissing Great Lakes</a> (Multiple basins)</li> <li><a href="/w/index.php?title=Early_Lake_Ontario&action=edit&redlink=1" class="new" title="Early Lake Ontario (page does not exist)">Early Lake Ontario</a></li> <li><a href="/wiki/Lake_Saginaw" title="Lake Saginaw">Lake Saginaw</a></li> <li><a href="/wiki/Lake_Stanley" title="Lake Stanley">Lake Stanley</a></li> <li><a href="/wiki/Lake_Tonawanda" title="Lake Tonawanda">Lake Tonawanda</a></li> <li><a href="/wiki/Lake_Warren" title="Lake Warren">Lake Warren</a></li> <li><a href="/wiki/Lake_Wayne" title="Lake Wayne">Lake Wayne</a></li> <li><a href="/wiki/Lake_Whittlesey" title="Lake Whittlesey">Lake Whittlesey</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Columbia_River" title="Columbia River">Columbia River</a> system</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Allison" title="Lake Allison">Lake Allison</a></li> <li><a href="/wiki/Glacial_Lake_Columbia" title="Glacial Lake Columbia">Glacial Lake Columbia</a></li> <li><a href="/wiki/Lake_Lewis" title="Lake Lewis">Lake Lewis</a></li> <li><a class="mw-selflink selflink">Glacial Lake Missoula</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Great_Basin" title="Great Basin">Great Basin</a> system</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Bonneville" title="Lake Bonneville">Lake Bonneville</a></li> <li><a href="/wiki/Lake_Lahontan" title="Lake Lahontan">Lake Lahontan</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Puget_Sound" title="Puget Sound">Puget Sound</a> system</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Skokomish" title="Lake Skokomish">Glacial Lake Hood</a></li> <li><a href="/wiki/Lake_Nisqually" title="Lake Nisqually">Lake Nisqually</a></li> <li><a href="/wiki/Lake_Puyallup" title="Lake Puyallup">Lake Puyallup</a></li> <li><a href="/wiki/Glacial_Lake_Russell" title="Glacial Lake Russell">Glacial Lake Russell</a></li> <li><a href="/w/index.php?title=Glacial_Lake_Sammamish&action=edit&redlink=1" class="new" title="Glacial Lake Sammamish (page does not exist)">Glacial Lake Sammamish</a></li> <li><a href="/wiki/Lake_Skokomish" title="Lake Skokomish">Lake Skokomish</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Upper <a href="/wiki/Missouri_River" title="Missouri River">Missouri River</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Chouteau" title="Lake Chouteau">Lake Chouteau</a></li> <li><a href="/wiki/Lake_Circle" title="Lake Circle">Lake Circle</a></li> <li><a href="/wiki/Lake_Cut_Bank" title="Lake Cut Bank">Lake Cut Bank</a></li> <li><a href="/wiki/Lake_Glendive" title="Lake Glendive">Lake Glendive</a></li> <li><a href="/wiki/Lake_Great_Falls" title="Lake Great Falls">Lake Great Falls</a></li> <li><a href="/wiki/Lake_Jordan_(Montana)" title="Lake Jordan (Montana)">Lake Jordan (Montana)</a></li> <li><a href="/wiki/Glacial_Lake_McKenzie" title="Glacial Lake McKenzie">Lake McKenzie</a></li> <li><a href="/wiki/Lake_Musselshell" title="Lake Musselshell">Lake Musselshell</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Upper <a href="/wiki/Mississippi_River" title="Mississippi River">Mississippi</a> drainage</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Kankakee" title="Lake Kankakee">Lake Kankakee</a></li> <li><a href="/wiki/Kankakee_Outwash_Plain" title="Kankakee Outwash Plain">Kankakee Outwash Plain</a></li> <li><a href="/wiki/Glacial_Lake_Wisconsin" title="Glacial Lake Wisconsin">Lake Wisconsin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Ohio_River" title="Ohio River">Ohio</a> drainage</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Monongahela" title="Lake Monongahela">Lake Monongahela</a></li> <li><a href="/wiki/Lake_Tight" title="Lake Tight">Lake Tight</a></li> <li><a href="/wiki/Teays_River" title="Teays River">Teays River</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Hudson_River" title="Hudson River">Hudson</a> valley</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Albany" title="Lake Albany">Lake Albany</a></li> <li><a href="/wiki/Lake_Passaic" title="Lake Passaic">Lake Passaic</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">New England</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Glacial_Lake_Cape_Cod" title="Glacial Lake Cape Cod">Lake Cape Cod</a></li> <li><a href="/wiki/Lake_Connecticut" title="Lake Connecticut">Lake Connecticut</a></li> <li><a href="/wiki/Lake_Hitchcock" title="Lake Hitchcock">Lake Hitchcock</a></li> <li><a href="/wiki/Lake_Merrimack" title="Lake Merrimack">Lake Merrimack</a></li> <li><a href="/wiki/Glacial_Lake_Nantucket_Sound" title="Glacial Lake Nantucket Sound">Lake Nantucket Sound</a></li> <li><a href="/wiki/Lake_Stowe" title="Lake Stowe">Lake Stowe</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/California" title="California">California</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Cahuilla" title="Lake Cahuilla">Lake Cahuilla</a></li> <li><a href="/wiki/Lake_Corcoran" title="Lake Corcoran">Lake Corcoran</a></li> <li><a href="/wiki/Harper_Lake" title="Harper Lake">Lake Harper</a></li> <li><a href="/wiki/Lake_Manix" title="Lake Manix">Lake Manix</a></li> <li><a href="/wiki/Lake_Manly" title="Lake Manly">Lake Manly</a></li> <li><a href="/wiki/Lake_Modoc" title="Lake Modoc">Lake Modoc</a></li> <li><a href="/wiki/Lake_Mojave" title="Lake Mojave">Lake Mojave</a></li> <li><a href="/wiki/Lake_Panamint" title="Lake Panamint">Lake Panamint</a></li> <li><a href="/wiki/Lake_Russell_(prehistoric)" title="Lake Russell (prehistoric)">Lake Russell</a></li> <li><a href="/wiki/Lake_Tecopa" title="Lake Tecopa">Lake Tecopa</a></li> <li><a href="/wiki/Lake_Thompson_(California)" title="Lake Thompson (California)">Lake Thompson</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Rio_Grande_rift" title="Rio Grande rift">Rio Grande rift</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Alamosa" title="Lake Alamosa">Lake Alamosa</a></li> <li><a href="/wiki/Lake_Estancia" title="Lake Estancia">Lake Estancia</a></li> <li><a href="/wiki/Lake_Palomas" title="Lake Palomas">Lake Palomas</a></li> <li><a href="/wiki/Lake_San_Agust%C3%ADn" title="Lake San Agustín">Lake San Agustín</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Alaska" title="Alaska">Alaska</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lake_Atna" title="Lake Atna">Lake Atna</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">South America</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/Lake_Ballivi%C3%A1n" title="Lake Ballivián">Lake Ballivián</a></li> <li><a href="/wiki/Cabana_(ancient_lake)" title="Cabana (ancient lake)">Cabana</a></li> <li><a href="/wiki/Lake_Escara" class="mw-redirect" title="Lake Escara">Lake Escara</a></li> <li><a href="/wiki/Inca_Huasi_(ancient_lake)" title="Inca Huasi (ancient lake)">Inca Huasi</a></li> <li><a href="/wiki/Mataro_(ancient_lake)" title="Mataro (ancient lake)">Mataro</a></li> <li><a href="/wiki/Lake_Minchin" class="mw-redirect" title="Lake Minchin">Lake Minchin</a></li> <li><a href="/wiki/Ouki" title="Ouki">Ouki</a></li> <li><a href="/wiki/Sajsi" title="Sajsi">Sajsi</a></li> <li><a href="/wiki/Salinas_(ancient_lake)" title="Salinas (ancient lake)">Salinas</a></li> <li><a href="/wiki/Lake_Tauca" title="Lake Tauca">Lake Tauca</a></li> <li><a href="/wiki/Great_Tehuelche_Paleolake" title="Great Tehuelche Paleolake">Great Tehuelche Paleolake</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Summary</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/List_of_prehistoric_lakes" title="List of prehistoric lakes">List of prehistoric lakes</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Terra.png/16px-Terra.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Terra.png/24px-Terra.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Terra.png/32px-Terra.png 2x" data-file-width="600" data-file-height="600" /></span></span> </span><a href="/wiki/Portal:Geography" title="Portal:Geography">Geography portal</a></li> <li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/P_history.svg/16px-P_history.svg.png" decoding="async" width="16" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/P_history.svg/24px-P_history.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/48/P_history.svg/32px-P_history.svg.png 2x" data-file-width="400" data-file-height="360" /></span></span> </span><a href="/wiki/Portal:History" title="Portal:History">History portal</a></li> <li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="image" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Walden_Pond%2C_Massachusetts_on_June_27%2C_2012.png/16px-Walden_Pond%2C_Massachusetts_on_June_27%2C_2012.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Walden_Pond%2C_Massachusetts_on_June_27%2C_2012.png/24px-Walden_Pond%2C_Massachusetts_on_June_27%2C_2012.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Walden_Pond%2C_Massachusetts_on_June_27%2C_2012.png/32px-Walden_Pond%2C_Massachusetts_on_June_27%2C_2012.png 2x" data-file-width="1500" data-file-height="1500" /></span></span> </span><a href="/wiki/Portal:Lakes" title="Portal:Lakes">Lakes portal</a></li> <li><span class="nowrap"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Waves_in_pacifica_1.jpg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Waves_in_pacifica_1.jpg/16px-Waves_in_pacifica_1.jpg" decoding="async" width="16" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Waves_in_pacifica_1.jpg/24px-Waves_in_pacifica_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/45/Waves_in_pacifica_1.jpg/32px-Waves_in_pacifica_1.jpg 2x" data-file-width="2000" data-file-height="1358" /></a></span> </span><a href="/wiki/Portal:Oceans" title="Portal:Oceans">Oceans portal</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="Missoula,_Montana" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><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:Missoula,_Montana" title="Template:Missoula, Montana"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Missoula,_Montana" title="Template talk:Missoula, Montana"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Missoula,_Montana" title="Special:EditPage/Template:Missoula, Montana"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Missoula,_Montana" style="font-size:114%;margin:0 4em"><a href="/wiki/Missoula,_Montana" title="Missoula, Montana">Missoula, Montana</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><a href="/wiki/Missoula,_Montana#Climate" title="Missoula, Montana">Climate</a></li> <li><a href="/wiki/Missoula,_Montana#Demographics" title="Missoula, Montana">Demographics</a></li> <li><a href="/wiki/Missoula,_Montana#Economy" title="Missoula, Montana">Economy</a></li> <li><a href="/wiki/List_of_mayors_of_Missoula,_Montana" title="List of mayors of Missoula, Montana">Mayors</a></li> <li><a href="/wiki/History_of_Missoula,_Montana" title="History of Missoula, Montana">History</a></li> <li><a href="/wiki/Culture_in_Missoula,_Montana" title="Culture in Missoula, Montana">Culture</a></li> <li><a href="/wiki/Downtown_Missoula" title="Downtown Missoula">Downtown Missoula</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Suburbs</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/Bonner-West_Riverside,_Montana" title="Bonner-West Riverside, Montana">Bonner-West Riverside</a></li> <li><a href="/wiki/Clinton,_Montana" title="Clinton, Montana">Clinton</a></li> <li><a href="/wiki/Evaro,_Montana" title="Evaro, Montana">Evaro</a></li> <li><a href="/wiki/Frenchtown,_Montana" title="Frenchtown, Montana">Frenchtown</a></li> <li><a href="/wiki/Lolo,_Montana" title="Lolo, Montana">Lolo</a></li> <li><a href="/wiki/Orchard_Homes,_Montana" title="Orchard Homes, Montana">Orchard Homes</a></li> <li><a href="/wiki/Wye,_Montana" title="Wye, Montana">Wye</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="9" style="width:1px;padding:0 0 0 2px"><div><figure class="mw-halign-right" typeof="mw:File"><a href="/wiki/File:Missoula_from_mt_sentinel.jpg" class="mw-file-description" title="Missoula, Montana"><img alt="Missoula, Montana" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Missoula_from_mt_sentinel.jpg/125px-Missoula_from_mt_sentinel.jpg" decoding="async" width="125" height="84" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Missoula_from_mt_sentinel.jpg/188px-Missoula_from_mt_sentinel.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Missoula_from_mt_sentinel.jpg/250px-Missoula_from_mt_sentinel.jpg 2x" data-file-width="640" data-file-height="428" /></a><figcaption>Missoula, Montana</figcaption></figure></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Missoula,_Montana#Education" title="Missoula, Montana">Education</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">High schools</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Big_Sky_High_School" title="Big Sky High School">Big Sky</a></li> <li><a href="/wiki/Hellgate_High_School" title="Hellgate High School">Hellgate</a></li> <li><a href="/wiki/Sentinel_High_School" title="Sentinel High School">Sentinel</a></li> <li><a href="/wiki/Seeley-Swan_High_School" title="Seeley-Swan High School">Seeley-Swan</a></li> <li><a href="/wiki/Loyola_Sacred_Heart_High_School" title="Loyola Sacred Heart High School">Loyola Sacred Heart High School</a></li> <li><a href="/wiki/Valley_Christian_School_(Montana)" title="Valley Christian School (Montana)">Valley Christian</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Higher education</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/University_of_Montana" title="University of Montana">University of Montana</a></li> <li><a href="/wiki/Missoula_College_University_of_Montana" class="mw-redirect" title="Missoula College University of Montana">Missoula College University of Montana</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Libraries</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Maureen_and_Mike_Mansfield_Library" title="Maureen and Mike Mansfield Library">Maureen and Mike Mansfield Library</a></li> <li><a href="/wiki/Missoula_Public_Library" title="Missoula Public Library">Missoula Public Library</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Museums</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Fort_Missoula" title="Fort Missoula">Fort Missoula</a></li> <li><a href="/wiki/Montana_Museum_of_Art_%26_Culture" title="Montana Museum of Art & Culture">Montana Museum of Art & Culture</a></li> <li><a href="/wiki/Missoula_Art_Museum" title="Missoula Art Museum">Missoula Art Museum</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Missoula,_Montana#Geography" title="Missoula, Montana">Geography</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Mountains</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blue_Mountain_(Montana)" title="Blue Mountain (Montana)">Blue Mountain</a></li> <li><a href="/wiki/Mount_Jumbo" title="Mount Jumbo">Mount Jumbo</a></li> <li><a href="/wiki/Mount_Sentinel" title="Mount Sentinel">Mount Sentinel</a></li> <li><a href="/wiki/South_Hills_(Montana)" title="South Hills (Montana)">South Hills</a></li> <li><a href="/wiki/Lolo_Peak" title="Lolo Peak">Lolo Peak</a></li> <li><a href="/wiki/Montana_Snowbowl" title="Montana Snowbowl">Montana Snowbowl</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Rivers</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bitterroot_River" title="Bitterroot River">Bitterroot</a></li> <li><a href="/wiki/Blackfoot_River_(Montana)" title="Blackfoot River (Montana)">Blackfoot</a></li> <li><a href="/wiki/Clark_Fork_River" title="Clark Fork River">Clark Fork</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/History_of_Missoula,_Montana" title="History of Missoula, Montana">History</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Places</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">Glacial Lake Missoula</a></li> <li><a href="/wiki/Fort_Missoula" title="Fort Missoula">Fort Missoula</a></li> <li><a href="/wiki/Missoula_Cemetery" title="Missoula Cemetery">Missoula Cemetery</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">People</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Christopher_P._Higgins" title="Christopher P. Higgins">Christopher P. Higgins</a></li> <li><a href="/wiki/Francis_Lyman_Worden" title="Francis Lyman Worden">Frank Worden</a></li> <li><a href="/wiki/Frank_H._Woody" title="Frank H. Woody">Judge Frank Woody</a></li> <li><a href="/wiki/Andrew_B._Hammond" title="Andrew B. Hammond">Andrew B. Hammond</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Media_in_Missoula,_Montana" title="Media in Missoula, Montana">Media</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Television</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/KPAX-TV" title="KPAX-TV">KPAX</a> <span class="wrap">(8.1 <a href="/wiki/CBS" title="CBS">CBS</a>/<a href="/wiki/Montana_Television_Network" title="Montana Television Network">MTN</a>, 8.2 <a href="/wiki/The_CW" title="The CW">CW</a>)</span></li> <li><a href="/wiki/Montana_PBS" title="Montana PBS">KUFM</a> <span class="wrap">(11.1 <a href="/wiki/PBS" title="PBS">PBS</a>, 11.2 <a href="/wiki/PBS_Kids" title="PBS Kids">Kids</a>, 11.3 <a href="/wiki/Create_(TV_network)" title="Create (TV network)">Create</a>, 1.4 <a href="/wiki/World_Channel" title="World Channel">World</a>, 11.5 <a href="/wiki/MPAN_(TV_channel)" title="MPAN (TV channel)">MPAN</a>)</span></li> <li><a href="/wiki/NBC_Montana" title="NBC Montana">KECI</a> (13.1 <a href="/wiki/NBC" title="NBC">NBC</a>)</li> <li><a href="/wiki/KTMF" title="KTMF">KTMF</a> <span class="wrap">(23.1 <a href="/wiki/American_Broadcasting_Company" title="American Broadcasting Company">ABC</a>, 23.2 <a href="/wiki/Fox_Broadcasting_Company" title="Fox Broadcasting Company">Fox</a>)</span></li> <li><a href="/wiki/KSPS-TV" title="KSPS-TV">K32EU 32</a> (<a href="/wiki/PBS" title="PBS">PBS</a>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Print</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Missoulian" title="Missoulian">Missoulian</a></i></li> <li><i><a href="/wiki/Montana_Kaimin" title="Montana Kaimin">Montana Kaimin</a></i></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_breweries_in_Montana" title="List of breweries in Montana">Breweries</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/Bayern_Brewing" title="Bayern Brewing">Bayern Brewing</a></li> <li><a href="/wiki/Big_Sky_Brewing_Company" title="Big Sky Brewing Company">Big Sky Brewing</a></li> <li><a href="/wiki/List_of_breweries_in_Montana#Draught_Works_Brewery" title="List of breweries in Montana">Draught Works Brewery</a></li> <li><a href="/wiki/List_of_breweries_in_Montana#Kettle_House_Brewing_Company" title="List of breweries in Montana">Kettle House Brewing</a></li> <li>Taproom only: <a href="/wiki/List_of_breweries_in_Montana#Tamarack_Brewing" title="List of breweries in Montana">Tamarack Brewing</a></li> <li><a href="/wiki/List_of_breweries_in_Montana#Flathead_Lake_Brewing_Company" title="List of breweries in Montana">Flathead Lake Brewing</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Missoula,_Montana#Infrastructure" title="Missoula, Montana">Services</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Healthcare</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/St._Patrick_Hospital_and_Health_Sciences_Center" title="St. Patrick Hospital and Health Sciences Center">St. Patrick Hospital and Health Sciences Center</a></li> <li><a href="/wiki/Community_Medical_Center_(Montana)" title="Community Medical Center (Montana)">Community Medical Center</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Transportation</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Missoula_Montana_Airport" title="Missoula Montana Airport">Missoula Montana Airport</a></li> <li><a href="/wiki/Mountain_Line_(Montana)" title="Mountain Line (Montana)">Mountain Line (bus)</a></li> <li><a href="/wiki/Interstate_90_in_Montana" title="Interstate 90 in Montana">Interstate 90</a></li> <li><a href="/wiki/U.S._Route_12#Montana" title="U.S. Route 12">Highway 12</a></li> <li><a href="/wiki/U.S._Route_93#Montana" title="U.S. Route 93">Highway 93</a></li> <li><a href="/wiki/Missoula_station_(Milwaukee_Road)" title="Missoula station (Milwaukee Road)">Former Milwaukee Road station</a></li> <li><a href="/wiki/Missoula_station_(Northern_Pacific_Railway)" title="Missoula station (Northern Pacific Railway)">Former Northern Pacific/Amtrak station</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Missoula,_Montana#Sports" title="Missoula, Montana">Sports</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">Teams</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Montana_Grizzlies_and_Lady_Griz" title="Montana Grizzlies and Lady Griz">Montana Grizzlies and Lady Griz</a></li> <li><a href="/wiki/Missoula_PaddleHeads" title="Missoula PaddleHeads">PaddleHeads (baseball)</a></li> <li><a href="/wiki/Hellgate_Roller_Derby" title="Hellgate Roller Derby">Hellgate Roller Derby</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Venues</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Washington%E2%80%93Grizzly_Stadium" title="Washington–Grizzly Stadium">Washington–Grizzly Stadium</a> (football)</li> <li><a href="/wiki/Ogren_Park_at_Allegiance_Field" title="Ogren Park at Allegiance Field">Ogren Park at Allegiance Field</a> (baseball)</li> <li><a href="/wiki/Glacier_Ice_Rink" title="Glacier Ice Rink">Glacier Ice Rink</a> (hockey)</li> <li><a href="/wiki/Dornblaser_Field" title="Dornblaser Field">Dornblaser Field</a> (soccer)</li> <li><a href="/wiki/Dahlberg_Arena" title="Dahlberg Arena">Dahlberg Arena</a> (basketball)</li> <li><a href="/w/index.php?title=Missoula_County_Fairgrounds&action=edit&redlink=1" class="new" title="Missoula County Fairgrounds (page does not exist)">Missoula County Fairgrounds</a> (horse racing)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/University_of_Montana" title="University of Montana">University of Montana</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/University_of_Montana#Colleges,_schools,_and_centers" title="University of Montana">Schools and Colleges</a></li> <li><a href="/wiki/Montana_Grizzlies_and_Lady_Griz" title="Montana Grizzlies and Lady Griz">Athletics</a></li> <li><a href="/wiki/List_of_projects,_centers,_and_institutes_at_the_University_of_Montana" title="List of projects, centers, and institutes at the University of Montana">Research Centers and Institutes</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><b><a href="/wiki/Category:Missoula,_Montana" title="Category:Missoula, Montana">Category</a></b></li> <li><b><a href="/wiki/Category:People_from_Missoula,_Montana" title="Category:People from Missoula, Montana">People from Missoula</a></b></li> <li><b><a href="/wiki/Template:User_Missoula" title="Template:User Missoula">User Missoula Template</a></b></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Glacial_Lake_Missoula&oldid=1222978314">https://en.wikipedia.org/w/index.php?title=Glacial_Lake_Missoula&oldid=1222978314</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a 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