| A.J. Russell Backlist for "Union Pacific R.R. Stereoscopic Views. Across the Continent West from Omaha." - "No. 9. Echo City Series." 1868-1870 Stereoview, back Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00138 (digital file from original photo, front) LC-DIG-stereo-2s00138 (digital file from original photo, back) LC-USZ6-297 (b&w film copy neg. of half stereo) LL/110059
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