| Alfred Hart Echo Point, opposite Crystal Lake, looking west [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-1s00529 (digital file from original photo, front) LC-DIG-stereo-2s00529 (digital file from original photo, back) LL/109004
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