Alfred Hart 1865-1869 Inside view of snow gallery at summit. Bolting the frame to the rocks [Central Pacific Railroad, California. Scenes in the Sierra Nevada Mountains. No. 254]
Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00579 (digital file from original photo, front) LC-DIG-stereo-2s00579 (digital file from original photo, back) LC-USZ62-59437 (b&w film copy neg. of half stereo)
