A.J. Russell 1868-1870 Tunnel No. 2, head of Echo Canon [Union Pacific R.R. views, across the continent, west from Omaha.]
Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00115 (digital file from original photo, front) LC-DIG-stereo-2s00115 (digital file from original photo, back) LC-USZ62-120946 (b&w film copy neg. of full stereo) LC-USZ62-20171 (b&w film copy neg. of half stereo)
