Timothy H. O'Sullivan 1874 Burro pack team. [U.S. War Dept., Corps of Engineers; Geographical Explorations and Surveys West of 100th Meridian, Expedition of 1874; Lieut. Geo. M. Wheeler, commanding.]
Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00399 (digital file from original photo, front) LC-DIG-stereo-2s00399 (digital file from original photo, back)
