Alfred Hart 1865-1869 Culvert at Canyon Creek. 185 feet long - 12 feet span [Central Pacific Railroad, California. Scenes in the Sierra Nevada Mountains. No. 072]
Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s00479 (digital file from original photo, front) LC-DIG-stereo-2s00479 (digital file from original photo, back)
