| Alfred Hart Crested Peak and Tunnel No. 10. Eastern slope of western summit [Central Pacific Railroad, California. Scenes in the Sierra Nevada Mountains. No. 256] 1865-1869 Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00581 (digital file from original photo, front) LC-DIG-stereo-2s00581 (digital file from original photo, back) LL/109026
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