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Timothy H. O'Sullivan
Hieroglyphics on south wall, Inscription Rock, New Mexico.
[U.S. War Dept., Corps of Engineers; Geographical Explorations and Surveys West of 100th Meridian, Expedition of 1873; Lieut. Geo. M. Wheeler, commanding.]
Library of Congress, Prints and Photographs Division
Reproduction Number: LC-DIG-stereo-1s00362 (digital file from original photo, front) LC-DIG-stereo-2s00362 (digital file from original photo, back) LC-USZ62-56317 (b&w film copy neg. of half stereo)