| Alfred Hart Summits of Sierras, 8,000 to 10,000 feet alt. [Central Pacific Railroad, California. Scenes in the Sierra Nevada Mountains. No. 000] 1865-1869 Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00538 (digital file from original photo, front) LC-DIG-stereo-2s00538 (digital file from original photo, back) LL/109009
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