<a href="https://en.wikipedia.org/wiki/Canyon_de_Chelly_National_Monument" class="extiw" title="en:Canyon de Chelly National Monument">Canyon de Chelly</a>, Arizona, USA. Photo was obtained in connection with geographical and geological explorations and surveys west of the 100th meridian, seasons of 1871, 1872, and 1873.
O'Sullivan, Timothy H., 1840-1882, photographer. War Dept., Corps of Engineers, U.S. Army.
1873
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