Castle Murray, near Auburn, West Virginia, published in <i>Gardner's Photographic Sketchbook of the War</i>.  Full description <a rel="nofollow" class="external text" href="http://memory.loc.gov/phpdata/pageturner.php?type=&amp;agg=ppmsca&amp;item=12834&amp;seq=101">here</a>.
<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 rel="nofollow" class="external free" href="http://memory.loc.gov/phpdata/pageturner.php?type=&amp;agg=ppmsca&amp;item=12834&amp;seq=102">http://memory.loc.gov/phpdata/pageturner.php?type=&amp;agg=ppmsca&amp;item=12834&amp;seq=102</a>