Timothy H. O'Sullivan 1871, 15 September The start from Camp Mojave, Arizona, September 15th, 1871. [U.S. War Dept., Corps of Engineers; Geographical Explorations and Surveys West of 100th Meridian, Expedition of 1871; Lieut. Geo. M. Wheeler, commanding.]
Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00145 (digital file from original photo, front) LC-DIG-stereo-2s00145 (digital file from original photo, back) LC-USZ62-57178 (b&w film copy neg. of full stereo) LC-USZ62-24298 (b&w film copy neg. of half stereo)
