| John K. Hillers Cliff at the junction of the Little Colorado [Marble Caņon.] [U.S. topographical and geological survey of the valley of the Colorado River of the west, by J.W. Powell and A.H. Thompson. No. 187] 1872 Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00753 (digital file from original photo, front) LC-DIG-stereo-2s00753 (digital file from original photo, back) LC-USZ62-78586 (b&w film copy neg.) LL/109212
| |