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<ul><li><b>General notes:</b>  Fort Halleck (1879-1886; U. S. Army . First established as <b>Camp Halleck</b> in (1867-1879), to protect the California Trail and the construction of the Central Pacific Railroad. Present day <a href="https://en.wikipedia.org/wiki/Halleck,_Nevada" class="extiw" title="w:Halleck, Nevada">Halleck</a>, Elko County, Nevada.</li></ul></div>
<bdi><a href="https://en.wikipedia.org/wiki/en:Timothy_H._O%27Sullivan" class="extiw" title="w:en:Timothy H. O'Sullivan"><span title="American photographer">Timothy H. O'Sullivan</span></a>
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<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>