| Alfred Hart From Tunnel No. 10, looking west. Building wall across the ravine [Central Pacific Railroad, California. Scenes in the Sierra Nevada Mountains. No. 255] 1865-1869 Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00580 (digital file from original photo, front) LC-DIG-stereo-2s00580 (digital file from original photo, back) LC-USZ62-56966 (b&w film copy neg. of full stereo) LL/109025
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