| A.J. Russell Backmark for "Union Pacific R.R. views, across the continent, west from Omaha." 1868-1870 Stereoview, back Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00098 (digital file from original photo, front) LC-DIG-stereo-2s00098 (digital file from original photo, back) LC-USZ62-67029 (b&w film copy neg. of half stereo) LL/110052
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