John Carbutt 1866 Camp of Pawnee Indians on the Platte Valley [Union Pacific Rail Road, Excursion to the 100th Meridian, October 1866]
Stereocard Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00074 (digital file from original photo, front) LC-USZ62-57179 (b&w film copy neg.) LC-USZ62-27809 (b&w film copy neg. of half stereo), Call Number: LOT 3037, no. 2[item] [P&P]
