Alexander Gardner 1867 (published) Photographic outfit, 309 miles west of St. Louis, Mo. [Across the Continent on the Union Pacific Railway, Eastern Division]
Stereocard Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00027 (digital file from original photo, front) LC-DIG-stereo-2s00027 (digital file from original photo, back) LC-USZ6-4358 (b&w film copy neg. of full stereo) LC-USZ6-15 (b&w film copy neg. of half stereo), Call Number: LOT 2775, no. 27 [item] [P&P]
