| Alfred Hart Advance of civilization. End of track, near Iron Point [Central Pacific Railroad, Nevada. Scenes on the Humboldt River.] 1865-1869 Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00621 (digital file from original photo, front) LC-DIG-stereo-2s00621 (digital file from original photo, back) LC-USZ62-56984 (b&w film copy neg. of full stereo) LC-USZ6-296 (b&w film copy neg. of half stereo) LL/108960
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