Alfred Hart 1865-1869 Bloomer Cut, near Auburn. 800 feet long and 63 feet high [Central Pacific Railroad, California. Scenes in the Sierra Nevada Mountains. No. 231]
Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00565 (digital file from original photo, front) LC-DIG-stereo-2s00565 (digital file from original photo, back) LC-USZ62-56952 (b&w film copy neg. of full stereo) LC-USZ62-50741 (b&w film copy neg. of half stereo)