<div class="description">
Original Agency Description: A740418 U12G HFS #9 MINEBACK BILL VOLLENDORF (Project Engineer) MAY 16 74EG&amp;G/NTS PHOTO LAB Publication Date: 5/16/1974 Keywords: CAVES; EDGERTON, GERMESHAUSEN &amp; GRIER; EG&amp;G; G-TUNNEL; HFS; HFS #9 MINEBACK; HOLES; MARKED; MARKINGS; MEASURED; MEASUREMENTS; MEASURING TAPE; MINES; NEVADA; NEVADA TEST SITE; NTS; NUCLEAR ENERGY TECHNOLOGY; PICKAXES; SPRAYED; TEST SITES; TUNNELS; TUNNELS, PAINT; UGT; UNDERGROUND TESTING; VOLLENDORF, BILL; WALLS; CSandia; CQuest; historical images</div>
This file was contributed to Wikimedia Commons by <a href="https://www.wikidata.org/wiki/Q59661040" class="extiw" title="d:Q59661040"><span title="reference unit of the National Archives and Records Administration">National Archives at College Park - Still Pictures</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 National Archives and Records Administration.<span style="text-align:left">
<ul><li><a rel="nofollow" class="external text" href="https://catalog.archives.gov/id/75451473">Record in source catalog</a></li>
<li>DPLA identifier: <a rel="nofollow" class="external text" href="https://dp.la/item/e6502de6ff10f8f99e365118cd439a14">e6502de6ff10f8f99e365118cd439a14</a></li>
<li>National Archives Identifier:  75451473</li></ul></span>