| William Henry Jackson The Devil's Slide, Cinnabar Mountain [Scenery of the Yellowstone, 1871] 1871 Stereocard Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s01178 (digital file from original photo, front), Call Number: LOT 11959-22, no. 2 [item] [P&P] LL/52944
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