Alfred Hart 1865-1869 Bloomer Cut, birdseye view. 63 feet deep, 800 long [Central Pacific Railroad, California. Scenes in the Sierra Nevada Mountains. No. 010]
Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00454 (digital file from original photo, front) LC-DIG-stereo-2s00454 (digital file from original photo, back) LC-USZ62-56967 (b&w film copy neg. of full stereo)
