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class="vector-toc-numb">2</span> <span>Mapping and name</span> </div> </a> <ul id="toc-Mapping_and_name-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Features" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Features"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Features</span> </div> </a> <button aria-controls="toc-Features-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Features subsection</span> </button> <ul id="toc-Features-sublist" class="vector-toc-list"> <li id="toc-Grossenbacher_Nunatak" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Grossenbacher_Nunatak"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Grossenbacher Nunatak</span> </div> </a> <ul id="toc-Grossenbacher_Nunatak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Holtet_Nunatak" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Holtet_Nunatak"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Holtet Nunatak</span> </div> </a> <ul id="toc-Holtet_Nunatak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Christoph_Nunatak" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Christoph_Nunatak"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Christoph Nunatak</span> </div> </a> <ul id="toc-Christoph_Nunatak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Isakson_Nunatak" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Isakson_Nunatak"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>Isakson Nunatak</span> </div> </a> <ul id="toc-Isakson_Nunatak-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> 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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Lyon Nunataks</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. 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href="https://de.wikipedia.org/wiki/Lyon-Nunatakker" title="Lyon-Nunatakker – German" lang="de" hreflang="de" data-title="Lyon-Nunatakker" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Nunatak_Lyon" title="Nunatak Lyon – Italian" lang="it" hreflang="it" data-title="Nunatak Lyon" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-lld mw-list-item"><a href="https://lld.wikipedia.org/wiki/Lyon_Nunataks" title="Lyon Nunataks – Ladin" lang="lld" hreflang="lld" data-title="Lyon Nunataks" data-language-autonym="Ladin" data-language-local-name="Ladin" class="interlanguage-link-target"><span>Ladin</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Lyon_Nunataks" title="Lyon Nunataks – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Lyon Nunataks" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Lyon_Nunataks" title="Lyon Nunataks – Swedish" lang="sv" hreflang="sv" data-title="Lyon Nunataks" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%90%8A%E6%98%82%E5%86%B0%E5%8E%9F%E5%B3%B6%E5%B3%B0" title="萊昂冰原島峰 – Chinese" lang="zh" hreflang="zh" data-title="萊昂冰原島峰" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet 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.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=Lyon_Nunataks&params=74_50_S_73_50_W_&title=Lyon+Nunataks_type:mountain_scale:100000"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">74°50′S</span> <span class="longitude">73°50′W</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="vcard"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">74.833°S 73.833°W</span><span style="display:none"> / <span class="geo">-74.833; -73.833</span></span><span style="display:none"> (<span class="fn org">Lyon Nunataks</span>)</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">Nunatak group in Palmer Land, Antarctica</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" style="width:24.5em; line-height:1.5em;"><tbody><tr><th colspan="2" class="infobox-above fn org" style="background-color: #E7DCC3;">Lyon Nunataks</th></tr><tr><td colspan="2" class="infobox-full-data"><div style="padding:0.2em 0.2em 0.2em 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.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:272px;float:none;clear:both;margin-left:auto;margin-right:auto"><div style="width:272px;padding:0"><div style="position:relative;width:272px"><span class="notpageimage" typeof="mw:File"><a href="/wiki/File:Antarctica_relief_location_map.jpg" class="mw-file-description" title="Lyon Nunataks is located in Antarctica"><img alt="Lyon Nunataks is located in Antarctica" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/Antarctica_relief_location_map.jpg/272px-Antarctica_relief_location_map.jpg" decoding="async" width="272" height="272" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/Antarctica_relief_location_map.jpg/408px-Antarctica_relief_location_map.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/24/Antarctica_relief_location_map.jpg/544px-Antarctica_relief_location_map.jpg 2x" data-file-width="1493" data-file-height="1493" /></a></span><div class="od notheme" style="top:42.962%;left:25.721%;font-size:91%"><div class="id" style="left:-8px;top:-8px"><span class="notpageimage" typeof="mw:File"><span title="Lyon Nunataks"><img alt="Lyon Nunataks" src="//upload.wikimedia.org/wikipedia/en/thumb/3/39/Red_triangle_with_thick_white_border.svg/16px-Red_triangle_with_thick_white_border.svg.png" decoding="async" width="16" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/3/39/Red_triangle_with_thick_white_border.svg/24px-Red_triangle_with_thick_white_border.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/3/39/Red_triangle_with_thick_white_border.svg/32px-Red_triangle_with_thick_white_border.svg.png 2x" data-file-width="270" data-file-height="240" /></span></span></div></div></div><div style="padding-top:0.2em"></div></div></div></div> </div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #E7DCC3;">Geography</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Continent" title="Continent">Continent</a></th><td class="infobox-data label"><a href="/wiki/Antarctica" title="Antarctica">Antarctica</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Geographic_coordinate_system" title="Geographic coordinate system">Range coordinates</a></th><td class="infobox-data"><span class="geo-inline"><style data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Lyon_Nunataks&params=74_50_S_73_50_W_&title=Lyon+Nunataks_type:mountain_scale:100000"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">74°50′S</span> <span class="longitude">73°50′W</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="vcard"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">74.833°S 73.833°W</span><span style="display:none"> / <span class="geo">-74.833; -73.833</span></span><span style="display:none"> (<span class="fn org">Lyon Nunataks</span>)</span></span></span></a></span></span></td></tr></tbody></table> <p>The <b>Lyon Nunataks</b> (<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=Lyon_Nunataks&params=74_50_S_73_50_W_&title=Lyon+Nunataks"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">74°50′S</span> <span class="longitude">73°50′W</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="vcard"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">74.833°S 73.833°W</span><span style="display:none"> / <span class="geo">-74.833; -73.833</span></span><span style="display:none"> (<span class="fn org">Lyon Nunataks</span>)</span></span></span></a></span></span>) are a group of <a href="/wiki/Nunatak" title="Nunatak">nunataks</a> lying west of the <a href="/wiki/Grossman_Nunataks" title="Grossman Nunataks">Grossman Nunataks</a> and 30 nautical miles (56 km; 35 mi) northwest of the <a href="/wiki/Behrendt_Mountains" title="Behrendt Mountains">Behrendt Mountains</a>, in <a href="/wiki/Ellsworth_Land" title="Ellsworth Land">Ellsworth Land</a>, Antarctica. They include Grossenbacher Nunatak, Holtet Nunatak, Christoph Nunatak and Isakson Nunatak.<sup id="cite_ref-FOOTNOTEAlberts1995449_1-0" class="reference"><a href="#cite_note-FOOTNOTEAlberts1995449-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <style data-mw-deduplicate="TemplateStyles:r886046785">.mw-parser-output .toclimit-2 .toclevel-1 ul,.mw-parser-output .toclimit-3 .toclevel-2 ul,.mw-parser-output .toclimit-4 .toclevel-3 ul,.mw-parser-output .toclimit-5 .toclevel-4 ul,.mw-parser-output .toclimit-6 .toclevel-5 ul,.mw-parser-output .toclimit-7 .toclevel-6 ul{display:none}</style><div class="toclimit-2"><meta property="mw:PageProp/toc" /></div> <div class="mw-heading mw-heading2"><h2 id="Location">Location</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=1" title="Edit section: Location"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><div class="side-box metadata side-box-right"><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-text plainlist"><b>Map all coordinates using</b> <a class="external text" href="https://tools.wmflabs.org/osm4wiki/cgi-bin/wiki/wiki-osm.pl?project=en&article=Lyon_Nunataks">OpenStreetMap</a> <div class="mw-collapsible mw-collapsed" data-expandtext="show links" data-collapsetext="Hide"> <p><b>Download coordinates as:</b> </p> <div class="mw-collapsible-content"> <ul><li><a class="external text" href="https://tools.wmflabs.org/kmlexport?article=Lyon_Nunataks">KML</a></li> <li><a class="external text" href="https://geoexport.toolforge.org/gpx?coprimary=all&titles=Lyon_Nunataks">GPX (all coordinates)</a></li> <li><a class="external text" href="https://geoexport.toolforge.org/gpx?coprimary=primary&titles=Lyon_Nunataks">GPX (primary coordinates)</a></li> <li><a class="external text" href="https://geoexport.toolforge.org/gpx?coprimary=secondary&titles=Lyon_Nunataks">GPX (secondary coordinates)</a></li></ul> </div> </div></div></div> </div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Ellsworth_Land_-_Palmer_Land.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Ellsworth_Land_-_Palmer_Land.jpg/220px-Ellsworth_Land_-_Palmer_Land.jpg" decoding="async" width="220" height="170" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Ellsworth_Land_-_Palmer_Land.jpg/330px-Ellsworth_Land_-_Palmer_Land.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/Ellsworth_Land_-_Palmer_Land.jpg/440px-Ellsworth_Land_-_Palmer_Land.jpg 2x" data-file-width="4096" data-file-height="3165" /></a><figcaption>Eastern Ellsworth Land (south), Southern Palmer Land (north). Lyon Nunataks in southwest of map.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:C74072s1_Ant.Map_Lyon_Nunataks.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/C74072s1_Ant.Map_Lyon_Nunataks.jpg/220px-C74072s1_Ant.Map_Lyon_Nunataks.jpg" decoding="async" width="220" height="192" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/C74072s1_Ant.Map_Lyon_Nunataks.jpg/330px-C74072s1_Ant.Map_Lyon_Nunataks.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/81/C74072s1_Ant.Map_Lyon_Nunataks.jpg/440px-C74072s1_Ant.Map_Lyon_Nunataks.jpg 2x" data-file-width="3731" data-file-height="3253" /></a><figcaption>Topographic map of the Lyon Nunataks.</figcaption></figure> <p>The Lyon Nunataks are in eastern <a href="/wiki/Ellsworth_Land" title="Ellsworth Land">Ellsworth Land</a> to the northwest of the <a href="/wiki/Merrick_Mountains" title="Merrick Mountains">Merrick Mountains</a> and north-northwest of the <a href="/wiki/Behrendt_Mountains" title="Behrendt Mountains">Behrendt Mountains</a>, They are southwest of the <a href="/wiki/Yee_Nunataks" title="Yee Nunataks">Yee Nunataks</a>.<sup id="cite_ref-FOOTNOTEEllsworth_Land_-_Palmer_Land_USGS_2-0" class="reference"><a href="#cite_note-FOOTNOTEEllsworth_Land_-_Palmer_Land_USGS-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> They are west of the <a href="/wiki/Grossman_Nunataks" title="Grossman Nunataks">Grossman Nunataks</a>.<sup id="cite_ref-FOOTNOTEAlberts1995449_1-1" class="reference"><a href="#cite_note-FOOTNOTEAlberts1995449-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Features, from west to east, include Grossenbacher Nunatak, Holtet Nunatak, Christoph Nunatak and Isakson Nunatak. Foltz Nunatak, Schwartz Peak and Marshall Nunatak are to the northwest, Mount Rex and Henkle Peak are to the west.<sup id="cite_ref-FOOTNOTELyon_Nunataks_USGS_3-0" class="reference"><a href="#cite_note-FOOTNOTELyon_Nunataks_USGS-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Mapping_and_name">Mapping and name</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=2" title="Edit section: Mapping and name"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Lyon Nunataks were mapped by the <a href="/wiki/United_States_Geological_Survey" title="United States Geological Survey">United States Geological Survey</a> (USGS) from surveys and <a href="/wiki/United_States_Navy" title="United States Navy">United States Navy</a> air photographs, 1961–67. They were named by the United States <a href="/wiki/Advisory_Committee_on_Antarctic_Names" title="Advisory Committee on Antarctic Names">Advisory Committee on Antarctic Names</a> (US-ACAN) after Owen R. Lyon, hospital corpsman, United States Navy, chief petty officer in charge of <a href="/wiki/Eights_Station" title="Eights Station">Eights Station</a> in 1965.<sup id="cite_ref-FOOTNOTEAlberts1995449_1-2" class="reference"><a href="#cite_note-FOOTNOTEAlberts1995449-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Features">Features</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=3" title="Edit section: Features"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Grossenbacher_Nunatak">Grossenbacher Nunatak</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=4" title="Edit section: Grossenbacher Nunatak"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><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=Lyon_Nunataks&params=74_52_S_74_01_W_"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">74°52′S</span> <span class="longitude">74°01′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">74.867°S 74.017°W</span><span style="display:none"> / <span class="geo">-74.867; -74.017</span></span></span></a></span></span>. A nunatak at the southwest end of Lyon Nunataks, 2 nautical miles (3.7 km; 2.3 mi) southwest of Holtet Nunatak. Named by US-ACAN after Ernest P. Grossenbacher, upper atmospheric physicist, <a href="/wiki/Siple_Station" title="Siple Station">Siple Station</a>, 1970-71.<sup id="cite_ref-FOOTNOTEAlberts1995297_4-0" class="reference"><a href="#cite_note-FOOTNOTEAlberts1995297-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Holtet_Nunatak">Holtet Nunatak</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=5" title="Edit section: Holtet Nunatak"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><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=Lyon_Nunataks&params=74_50_S_73_56_W_"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">74°50′S</span> <span class="longitude">73°56′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">74.833°S 73.933°W</span><span style="display:none"> / <span class="geo">-74.833; -73.933</span></span></span></a></span></span>. A nunatak rising to about 1,300 metres (4,300 ft) high, 2 nautical miles (3.7 km; 2.3 mi) northeast of Grossenbacher Nunatak. Mapped by USGS from aerial photographs taken by the United States Navy, 1965-68, and from Landsat imagery taken 1973-74. Named in 1987 by US-ACAN after Jan A. Holtet of the Norwegian Institute of Cosmic Physics, upper atmospheric physicist at <a href="/wiki/Siple_Station" title="Siple Station">Siple Station</a>, 1970-71.<sup id="cite_ref-FOOTNOTEAlberts1995342_5-0" class="reference"><a href="#cite_note-FOOTNOTEAlberts1995342-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Christoph_Nunatak">Christoph Nunatak</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=6" title="Edit section: Christoph Nunatak"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><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=Lyon_Nunataks&params=74_49_S_73_47_W_"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">74°49′S</span> <span class="longitude">73°47′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">74.817°S 73.783°W</span><span style="display:none"> / <span class="geo">-74.817; -73.783</span></span></span></a></span></span>. A nunatak rising to about 1,300 metres (4,300 ft) high, 2.5 nautical miles (4.6 km; 2.9 mi) east-northeast of Holtet Nunatak. Mapped by USGS from United States Navy aerial photographs taken 1965-68 and Landsat imagery taken 1973-74. Named by US-ACAN in 1987 after Klaus J. Christoph, upper atmospheric physicist at Siple Station, 1970-71.<sup id="cite_ref-FOOTNOTEAlberts1995135_6-0" class="reference"><a href="#cite_note-FOOTNOTEAlberts1995135-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Isakson_Nunatak">Isakson Nunatak</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=7" title="Edit section: Isakson Nunatak"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><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=Lyon_Nunataks&params=74_50_S_73_42_W_"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">74°50′S</span> <span class="longitude">73°42′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">74.833°S 73.700°W</span><span style="display:none"> / <span class="geo">-74.833; -73.700</span></span></span></a></span></span>. Nunatak rising to about 1,300 metres (4,300 ft) high, 1.5 nautical miles (2.8 km; 1.7 mi) southeast of Christoph Nunatak. Mapped by USGS from surveys and United States Navy aerial photographs, 1961-68, and Landsat imagery, 1973-74. Named by US-ACAN in 1987 after Steve W. Isakson of Stanford University, Stanford, CA, upper atmospheric physicist at Siple Station, winter party 1975.<sup id="cite_ref-FOOTNOTEAlberts1995363_7-0" class="reference"><a href="#cite_note-FOOTNOTEAlberts1995363-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Western_features">Western features</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=8" title="Edit section: Western features"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Mount_Rex">Mount Rex</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=9" title="Edit section: Mount Rex"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><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=Lyon_Nunataks&params=74_54_S_75_57_W_"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">74°54′S</span> <span class="longitude">75°57′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">74.900°S 75.950°W</span><span style="display:none"> / <span class="geo">-74.900; -75.950</span></span></span></a></span></span>. An isolated mountain 1,105 metres (3,625 ft) high which rises above the interior ice surface of Ellsworth Land about 55 nautical miles (102 km; 63 mi) south-southeast of <a href="/wiki/FitzGerald_Bluffs" title="FitzGerald Bluffs">FitzGerald Bluffs</a>. Discovered and photographed from the air on November 23, 1935 by Lincoln Ellsworth (Geographical Review, July 1936, p. 459, Fig. 16). The feature was resighted by the <a href="/wiki/Ronne_Antarctic_Research_Expedition" title="Ronne Antarctic Research Expedition">Ronne Antarctic Research Expedition</a> (RARE; 1947–48) under <a href="/wiki/Finn_Ronne" title="Finn Ronne">Finn Ronne</a>, who named it for Lieutenant Commander Daniel F. Rex, United States Navy, of the Office of Naval Research, who made important contributions to the planning of the scientific research program and the equipping of the expedition.<sup id="cite_ref-FOOTNOTEAlberts1995615_8-0" class="reference"><a href="#cite_note-FOOTNOTEAlberts1995615-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Henkle_Peak">Henkle Peak</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=10" title="Edit section: Henkle Peak"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><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=Lyon_Nunataks&params=74_39_S_75_50_W_"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">74°39′S</span> <span class="longitude">75°50′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">74.650°S 75.833°W</span><span style="display:none"> / <span class="geo">-74.650; -75.833</span></span></span></a></span></span>. A peak about 15 nautical miles (28 km; 17 mi) north of Mount Rex in Ellsworth Land. It lies among a group of nunataks that were first sighted and photographed by Lincoln Ellsworth on November 23, 1935. The peak was mapped by USGS from surveys and United States Navy air photos, 1961-66. Named by US-ACAN for Charles R. Henkle of USGS, topographic engineer with the Marie Byrd Land Survey Party, 1967-68.<sup id="cite_ref-FOOTNOTEAlberts1995327_9-0" class="reference"><a href="#cite_note-FOOTNOTEAlberts1995327-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=11" 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 reflist-columns references-column-width" style="column-width: 25em;"> <ol class="references"> <li id="cite_note-FOOTNOTEAlberts1995449-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEAlberts1995449_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEAlberts1995449_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FOOTNOTEAlberts1995449_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFAlberts1995">Alberts 1995</a>, p. 449.</span> </li> <li id="cite_note-FOOTNOTEEllsworth_Land_-_Palmer_Land_USGS-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEEllsworth_Land_-_Palmer_Land_USGS_2-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFEllsworth_Land_-_Palmer_Land_USGS">Ellsworth Land - Palmer Land USGS</a>.</span> </li> <li id="cite_note-FOOTNOTELyon_Nunataks_USGS-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTELyon_Nunataks_USGS_3-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFLyon_Nunataks_USGS">Lyon Nunataks USGS</a>.</span> </li> <li id="cite_note-FOOTNOTEAlberts1995297-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEAlberts1995297_4-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFAlberts1995">Alberts 1995</a>, p. 297.</span> </li> <li id="cite_note-FOOTNOTEAlberts1995342-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEAlberts1995342_5-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFAlberts1995">Alberts 1995</a>, p. 342.</span> </li> <li id="cite_note-FOOTNOTEAlberts1995135-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEAlberts1995135_6-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFAlberts1995">Alberts 1995</a>, p. 135.</span> </li> <li id="cite_note-FOOTNOTEAlberts1995363-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEAlberts1995363_7-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFAlberts1995">Alberts 1995</a>, p. 363.</span> </li> <li id="cite_note-FOOTNOTEAlberts1995615-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEAlberts1995615_8-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFAlberts1995">Alberts 1995</a>, p. 615.</span> </li> <li id="cite_note-FOOTNOTEAlberts1995327-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEAlberts1995327_9-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFAlberts1995">Alberts 1995</a>, p. 327.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Sources">Sources</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lyon_Nunataks&action=edit&section=12" title="Edit section: Sources"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239549316">.mw-parser-output .refbegin{margin-bottom:0.5em}.mw-parser-output .refbegin-hanging-indents>ul{margin-left:0}.mw-parser-output .refbegin-hanging-indents>ul>li{margin-left:0;padding-left:3.2em;text-indent:-3.2em}.mw-parser-output .refbegin-hanging-indents ul,.mw-parser-output .refbegin-hanging-indents ul li{list-style:none}@media(max-width:720px){.mw-parser-output .refbegin-hanging-indents>ul>li{padding-left:1.6em;text-indent:-1.6em}}.mw-parser-output .refbegin-columns{margin-top:0.3em}.mw-parser-output .refbegin-columns ul{margin-top:0}.mw-parser-output .refbegin-columns li{page-break-inside:avoid;break-inside:avoid-column}@media screen{.mw-parser-output .refbegin{font-size:90%}}</style><div class="refbegin" style=""> <ul><li><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="CITEREFAlberts1995" class="citation cs2">Alberts, Fred G., ed. (1995), <a rel="nofollow" class="external text" href="https://pubs.usgs.gov/fedgov/70039167/report.pdf"><i>Geographic Names of the Antarctic</i></a> <span class="cs1-format">(PDF)</span> (2 ed.), United States Board on Geographic Names<span class="reference-accessdate">, retrieved <span class="nowrap">3 December</span> 2023</span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Geographic+Names+of+the+Antarctic&rft.edition=2&rft.pub=United+States+Board+on+Geographic+Names&rft.date=1995&rft_id=https%3A%2F%2Fpubs.usgs.gov%2Ffedgov%2F70039167%2Freport.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALyon+Nunataks" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates <a href="/wiki/Copyright_status_of_works_by_the_federal_government_of_the_United_States" title="Copyright status of works by the federal government of the United States">public domain material</a> from websites or documents of the <a href="/wiki/United_States_Board_on_Geographic_Names" title="United States Board on Geographic Names">United States Board on Geographic Names</a>.</li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFEllsworth_Land_-_Palmer_Land_USGS" class="citation cs2"><a class="external text" href="https://commons.wikimedia.org/wiki/File:Ellsworth_Land_-_Palmer_Land.jpg"><i>Ellsworth Land - Palmer Land</i></a>, USGS: United States Geological Survey<span class="reference-accessdate">, retrieved <span class="nowrap">19 January</span> 2024</span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Ellsworth+Land+-+Palmer+Land&rft.pub=USGS%3A+United+States+Geological+Survey&rft_id=https%3A%2F%2Fcommons.wikimedia.org%2Fwiki%2FFile%3AEllsworth_Land_-_Palmer_Land.jpg&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALyon+Nunataks" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLyon_Nunataks_USGS" class="citation cs2"><a class="external text" href="https://commons.wikimedia.org/wiki/File:C74072s1_Ant.Map_Lyon_Nunataks.jpg"><i>Lyon Nunataks</i></a>, USGS: United States Geological Survey<span class="reference-accessdate">, retrieved <span class="nowrap">19 January</span> 2024</span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Lyon+Nunataks&rft.pub=USGS%3A+United+States+Geological+Survey&rft_id=https%3A%2F%2Fcommons.wikimedia.org%2Fwiki%2FFile%3AC74072s1_Ant.Map_Lyon_Nunataks.jpg&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALyon+Nunataks" class="Z3988"></span></li></ul> </div> <p><span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates <a href="/wiki/Copyright_status_of_works_by_the_federal_government_of_the_United_States" title="Copyright status of works by the federal government of the United States">public domain material</a> from websites or documents of the <a href="/wiki/United_States_Geological_Survey" title="United States Geological Survey">United States Geological Survey</a>. </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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