<div class="description">
Relief shown by hachures. Includes index of cities and towns of North Dakota, South Dakota and bordering states Iowa, Minnesota and Nebraska. On verso: "Phillips Petroleum Company official road map, United States" (scale [ca. 1:10,137,600]), road map of "Black Hills region, South Dakota," 4 local route maps, text, and ill. on verso. "365-J C" and "12-K."</div>
1937<div style="display: none;">date QS:P571,+1937-00-00T00:00:00Z/9</div>
This file was contributed to Wikimedia Commons by <a href="https://en.wikipedia.org/wiki/en:Denver_Public_Library" class="extiw" title="w:en:Denver Public Library"><span title="public library system in Denver, Colorado">Denver Public Library</span></a> as part of a cooperation project. The donation was facilitated by the <a href="https://en.wikipedia.org/wiki/Digital_Public_Library_of_America" class="extiw" title="w:Digital Public Library of America">Digital Public Library of America</a>, via its partner Plains to Peaks Collective.<span style="text-align:left">
<ul><li><a rel="nofollow" class="external text" href="http://cdm16079.contentdm.oclc.org/cdm/ref/collection/p16079coll39/id/873">Record in source catalog</a></li>
<li>DPLA identifier: <a rel="nofollow" class="external text" href="https://dp.la/item/2d275d0cd6800bf9790cd56b7d2f03ad">2d275d0cd6800bf9790cd56b7d2f03ad</a></li></ul></span>