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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">USGS topographical information</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1034237262">.mw-parser-output .stack{box-sizing:border-box}.mw-parser-output .stack>div{margin:1px;overflow:hidden}@media all and (min-width:720px){.mw-parser-output .stack-clear-left{float:left;clear:left}.mw-parser-output .stack-clear-right{float:right;clear:right}.mw-parser-output .stack-left{float:left}.mw-parser-output .stack-right{float:right}.mw-parser-output .stack-margin-clear-left{float:left;clear:left;margin-right:1em}.mw-parser-output .stack-margin-clear-right{float:right;clear:right;margin-left:1em}.mw-parser-output .stack-margin-left{float:left;margin-right:1em}.mw-parser-output .stack-margin-right{float:right;margin-left:1em}}</style><div class="stack mw-stack stack-right"><div><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:USGS_The_National_Map.jpg" class="mw-file-description" title="USGS image showing layers of The National Map"><img alt="USGS image showing layers of The National Map" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/USGS_The_National_Map.jpg/300px-USGS_The_National_Map.jpg" decoding="async" width="300" height="310" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/3/3b/USGS_The_National_Map.jpg 1.5x" data-file-width="400" data-file-height="413" /></a><figcaption>USGS image showing layers of The National Map</figcaption></figure> <figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:USGS_logo.png" class="mw-file-description" title="USGS logo"><img alt="USGS logo" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/USGS_logo.png/175px-USGS_logo.png" decoding="async" width="175" height="65" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/USGS_logo.png/263px-USGS_logo.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/08/USGS_logo.png/350px-USGS_logo.png 2x" data-file-width="800" data-file-height="295" /></a><figcaption>USGS logo</figcaption></figure></div></div> <p><i><b>The National Map</b></i> is a <a href="/wiki/Collaboration" title="Collaboration">collaborative</a> effort of the <a href="/wiki/United_States_Geological_Survey" title="United States Geological Survey">United States Geological Survey</a> (USGS) and other federal, state, and local agencies to improve and deliver <a href="/wiki/Topographic" class="mw-redirect" title="Topographic">topographic</a> information for the <a href="/wiki/United_States" title="United States">United States</a>.<sup id="cite_ref-USGS_1-0" class="reference"><a href="#cite_note-USGS-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The purpose of the effort is to provide "...a seamless, continuously maintained set of public domain geographic base information that will serve as a foundation for integrating, sharing, and using other data easily and consistently".<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> </p><p><i>The National Map</i> is part of the USGS <a href="/w/index.php?title=National_Geospatial_Program&action=edit&redlink=1" class="new" title="National Geospatial Program (page does not exist)">National Geospatial Program</a>.<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> The geographic information available includes <a href="/wiki/Orthoimagery" class="mw-redirect" title="Orthoimagery">orthoimagery</a> (<a href="/wiki/Aerial_photographs" class="mw-redirect" title="Aerial photographs">aerial photographs</a>), <a href="/wiki/Elevation" title="Elevation">elevation</a>, <a href="/wiki/United_States_Board_on_Geographic_Names" title="United States Board on Geographic Names">geographic names</a>, <a href="/wiki/Hydrography" title="Hydrography">hydrography</a>, boundaries, transportation, structures and land cover. <i>The National Map</i> is accessible via the <a href="/wiki/World_Wide_Web" title="World Wide Web">Web</a>, as products and services, and as downloadable data. Its uses range from recreation to scientific analysis to emergency response.<sup id="cite_ref-USGS_1-1" class="reference"><a href="#cite_note-USGS-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p><i>The National Map</i> is a significant contribution to the <a href="/wiki/U.S._National_Spatial_Data_Infrastructure" class="mw-redirect" title="U.S. National Spatial Data Infrastructure">U.S. National Spatial Data Infrastructure</a> (NSDI) from the <a href="/wiki/Federal_Geographic_Data_Committee" title="Federal Geographic Data Committee">Federal Geographic Data Committee</a> (FGDC) and currently is being transformed to better serve the <a href="/wiki/Geospatial" class="mw-redirect" title="Geospatial">geospatial</a> community by providing high quality, integrated geospatial data and improved products and services including new generation digital <a href="/wiki/Topographic_map" title="Topographic map">topographic maps</a>. In addition, the National Map is foundational to implementation of the <a href="/wiki/U.S._Department_of_the_Interior" class="mw-redirect" title="U.S. Department of the Interior">U.S. Department of the Interior</a> (DOI) Geospatial Modernization Blueprint.<sup id="cite_ref-USGS_1-2" class="reference"><a href="#cite_note-USGS-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The USGS also utilizes data from <a href="/wiki/The_National_Map_Corps" class="mw-redirect" title="The National Map Corps"><i>The National Map</i> Corps</a>, which consists of volunteers who devote some of their time to provide <a href="/wiki/Cartographic" class="mw-redirect" title="Cartographic">cartographic</a> information on structures.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p><i>The National Map</i> is the official replacement for the <a href="/wiki/Topographic_map#United_States" title="Topographic map">USGS topographic map program</a>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="The_National_Map_Corps"><i>The National Map</i> Corps<span class="anchor" id="Corps"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=The_National_Map&action=edit&section=1" title="Edit section: The National Map Corps"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b><i>The National Map</i> Corps</b> consists of volunteers who devote some of their time to provide <a href="/wiki/Cartographic" class="mw-redirect" title="Cartographic">cartographic</a> information to the <a href="/wiki/U.S._Geological_Survey" class="mw-redirect" title="U.S. Geological Survey">U.S. Geological Survey</a>. The only requirements to participate are having access to the <a href="/wiki/Internet" title="Internet">Internet</a> and a current familiarity with the area being mapped.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> This data is used to update <i>The National Map</i>. </p><p>The program originally allowed volunteers to collect <a href="/wiki/Geographic_coordinates" class="mw-redirect" title="Geographic coordinates">geographic coordinates</a> (<a href="/wiki/Latitude" title="Latitude">latitude</a> and <a href="/wiki/Longitude" title="Longitude">longitude</a>) via <a href="/wiki/GPS" class="mw-redirect" title="GPS">GPS</a> receivers. The data was entered in <a href="/wiki/Spreadsheet" title="Spreadsheet">spreadsheet</a> format or in <a href="/wiki/Environmental_Systems_Research_Institute" class="mw-redirect" title="Environmental Systems Research Institute">ESRI</a> <a href="/wiki/Shapefile" title="Shapefile">shapefiles</a> and submitted via e-mail to the USGS National Geospatial Technical Operations Center(s) in <a href="/wiki/Denver,_Colorado" class="mw-redirect" title="Denver, Colorado">Denver, Colorado</a>, and <a href="/wiki/Rolla,_Missouri" title="Rolla, Missouri">Rolla, Missouri</a>. During the registration process, prospective volunteers submitted a list of the 7.5 minute <a href="/wiki/Quadrangle_(geography)" title="Quadrangle (geography)">quadrangle</a> maps on which they wished to work. Once accepted into the project, volunteers received their assignment and 1:24,000 scale <a href="/wiki/Topographic_map" title="Topographic map">topographic map</a> of their quad. While there was no deadline for completing maps, the project's administrators preferred volunteers to submit coordinates for all structures in the quad no more than one year after beginning work. </p><p>In December 2006, a new Internet-based method for submitting information on structures was introduced. Using a <a href="/wiki/Web_browser" title="Web browser">web browser</a>, volunteers are able to navigate maps and aerial photography, placing a point on the map and subsequently entering the name and type of structure. </p><p>From August 2008, the program stopped accepting structure data collected via GPS, but continued to use the web-based collection site.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Types_of_structures_mapped">Types of structures mapped</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=The_National_Map&action=edit&section=2" title="Edit section: Types of structures mapped"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The following is a list of structures that can be entered on the web site. The focus is significant man-made structures. The "other" category is for man-made structures not on this list and should not include locations such as homes, restaurants or other commercial establishments.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <style data-mw-deduplicate="TemplateStyles:r1216972533">.mw-parser-output .col-begin{border-collapse:collapse;padding:0;color:inherit;width:100%;border:0;margin:0}.mw-parser-output .col-begin-small{font-size:90%}.mw-parser-output .col-break{vertical-align:top;text-align:left}.mw-parser-output .col-break-2{width:50%}.mw-parser-output .col-break-3{width:33.3%}.mw-parser-output .col-break-4{width:25%}.mw-parser-output .col-break-5{width:20%}@media(max-width:720px){.mw-parser-output .col-begin,.mw-parser-output .col-begin>tbody,.mw-parser-output .col-begin>tbody>tr,.mw-parser-output .col-begin>tbody>tr>td{display:block!important;width:100%!important}.mw-parser-output .col-break{padding-left:0!important}}</style><div> <table class="col-begin" role="presentation" style="width: 100%;font-size:95%;;"> <tbody><tr> <td class="col-break"> <ul><li>Education <ul><li>School</li> <li>College/University</li></ul></li> <li>Emergency Response and Law Enforcement <ul><li>Fire Station/EMS Station</li> <li>Law Enforcement</li> <li>Hospital</li> <li>Ambulance Service</li> <li>Correctional Facility</li></ul></li> <li>Government and Military <ul><li>State Capitol</li></ul></li> <li>Mail and Shipping <ul><li>Post Office</li></ul></li> <li>Public Attractions and Landmark Buildings <ul><li>Cemetery</li></ul></li></ul> <p>  </p> </td></tr></tbody></table></div> <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=The_National_Map&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Microsoft_Research_Maps" title="Microsoft Research Maps">Microsoft Research Maps</a> (formerly TerraServer-USA)</li> <li><a href="/wiki/National_Elevation_Dataset" title="National Elevation Dataset">National Elevation Dataset</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=The_National_Map&action=edit&section=4" 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 reflist-columns-2"> <ol class="references"> <li id="cite_note-USGS-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-USGS_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-USGS_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-USGS_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><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 <style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation cs1"><a rel="nofollow" class="external text" href="https://nationalmap.gov/"><i>The National Map</i></a>. <a href="/wiki/United_States_Geological_Survey" title="United States Geological Survey">United States Geological Survey</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+National+Map&rft.pub=United+States+Geological+Survey&rft_id=http%3A%2F%2Fnationalmap.gov%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AThe+National+Map" 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">Moore, Larry (December 2000, with January 2003 update), <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20130213213923/http://thor-f5.er.usgs.gov/topomaps/revision_overview.pdf">"The U.S. Geological Survey's Revision Program for 7.5-Minute Topographic Maps"</a> <span class="cs1-format">(PDF)</span>. Archived from <a rel="nofollow" class="external text" href="https://thor-f5.er.usgs.gov/topomaps/revision_overview.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2013-02-13<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-10-22</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=The+U.S.+Geological+Survey%27s+Revision+Program+for+7.5-Minute+Topographic+Maps&rft_id=http%3A%2F%2Fthor-f5.er.usgs.gov%2Ftopomaps%2Frevision_overview.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AThe+National+Map" class="Z3988"></span> <span style="font-size:85%;">(712 KB)</span>. United States Geological Survey. Also available as an <a rel="nofollow" class="external text" href="https://pubs.usgs.gov/of/2000/of00-325/moore.html">HTML document</a>.</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"><a rel="nofollow" class="external text" href="https://www.usgs.gov/ngpo/">National Geospatial Program</a>, United States Geological Survey.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20190110201708/https://nationalmap.gov/TheNationalMapCorps/">"<i>The National Map</i> Corp"</a>. United States Geological Survey. Archived from <a rel="nofollow" class="external text" href="https://nationalmap.gov/TheNationalMapCorps/">the original</a> on 2019-01-10<span class="reference-accessdate">. Retrieved <span class="nowrap">2007-08-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=The+National+Map+Corp&rft.pub=United+States+Geological+Survey&rft_id=http%3A%2F%2Fnationalmap.gov%2FTheNationalMapCorps%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AThe+National+Map" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">Moore, Larry, <i>Op. cit.</i></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20190110201708/https://nationalmap.gov/TheNationalMapCorps/">"<i>The National Map</i> Corp"</a>. <a href="/wiki/U.S._Geological_Survey" class="mw-redirect" title="U.S. Geological Survey">U.S. Geological Survey</a>. Archived from <a rel="nofollow" class="external text" href="https://nationalmap.gov/TheNationalMapCorps/">the original</a> on 2019-01-10<span class="reference-accessdate">. Retrieved <span class="nowrap">2007-08-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=The+National+Map+Corp&rft.pub=U.S.+Geological+Survey&rft_id=http%3A%2F%2Fnationalmap.gov%2FTheNationalMapCorps%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AThe+National+Map" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090813060432/http://nationalmap.gov/TheNationalMapCorps/docs/Stop_GPSn_II.pdf">"Letter to volunteers describing changes in procedure"</a> <span class="cs1-format">(PDF)</span>. <a href="/wiki/U.S._Geological_Survey" class="mw-redirect" title="U.S. Geological Survey">U.S. Geological Survey</a>. July 1, 2008. Archived from <a rel="nofollow" class="external text" href="https://nationalmap.gov/TheNationalMapCorps/docs/Stop_GPSn_II.pdf">the original</a> <span class="cs1-format">(PDF)</span> on August 13, 2009.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Letter+to+volunteers+describing+changes+in+procedure&rft.pub=U.S.+Geological+Survey&rft.date=2008-07-01&rft_id=http%3A%2F%2Fnationalmap.gov%2FTheNationalMapCorps%2Fdocs%2FStop_GPSn_II.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AThe+National+Map" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090813060359/http://nationalmap.gov/TheNationalMapCorps/docs/Web-Based_Collection_Lesson_Plan.pdf">"Web-Based Volunteer Activity Lesson Plan (38 kB pdf file)"</a> <span class="cs1-format">(PDF)</span>. <a href="/wiki/U.S._Geological_Survey" class="mw-redirect" title="U.S. Geological Survey">U.S. Geological Survey</a>. Archived from <a rel="nofollow" class="external text" href="https://nationalmap.gov/TheNationalMapCorps/docs/Web-Based_Collection_Lesson_Plan.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2009-08-13.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Web-Based+Volunteer+Activity+Lesson+Plan+%2838+kB+pdf+file%29&rft.pub=U.S.+Geological+Survey&rft_id=http%3A%2F%2Fnationalmap.gov%2FTheNationalMapCorps%2Fdocs%2FWeb-Based_Collection_Lesson_Plan.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AThe+National+Map" class="Z3988"></span></span> </li> </ol></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=The_National_Map&action=edit&section=5" 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://nationalmap.gov/"><i>The National Map</i></a> (USGS)</li> <li><a rel="nofollow" class="external text" href="https://www.usgs.gov/ngpo/">National Geospatial Program</a> (USGS)</li> <li><a rel="nofollow" class="external text" href="https://topomaps.usgs.gov/revision.html">USGS Topographic Map Revision</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130605115523/http://topomaps.usgs.gov//revision.html">Archived</a> 2013-06-05 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090615003154/http://eros.usgs.gov/products/aerial/">USGS Aerial Products</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090620013117/http://www.doi.gov/ocio/architecture/modblu/geo/know.htm">Geospatial Modernization Blueprint</a> from the <a href="/wiki/U.S._Department_of_the_Interior" class="mw-redirect" title="U.S. Department of the Interior">U.S. Department of the Interior</a></li> <li><a href="/wiki/OGC_GeoSPARQL" class="mw-redirect" title="OGC GeoSPARQL">OGC GeoSPARQL</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140222135405/http://usgs-ybother.srv.mst.edu:8890/parliament/">webapp</a> for selected data sets</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol 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