Carte-de-visite style photograph of the Prospect Hill railroad cut on the Central Pacific line by Alfred Hart. Photograph features multiple railroad workers and horse-drawn carts working on the cut. Caption: Prospect Hill Cut. Upper slope, 170 feet."
Carte-de-visite style photograph by Alfred Hart entitled, "Scene at Depot." Photograph features Native Americans at the Central Pacific Railroad Train Depot in Reno, Nevada. Caption: "Scene at Depot, at Reno."
Carte-de-visite style photograph by Alfred Joseph Hart entitled, "Western Summit." Photograph features a Chinese railroad worker and the heading of a railroad tunnel. Caption: "Heading of East Portal, Tunnel No. 8, from Donner Lake Railroad, Western…
Carte-de-visite style photograph no. 333 entitled "Curving Iron, Ten Mile Canyon." Taken by Alfred Hart.
Stereoview photograph #198 by Alfred Hart for the Central Pacific Railroad collection. Photograph features a railroad worker with a dump cart standing in the entrance to a tunnel in the Sierra Nevada mountains. Caption: "East Portal of Summit Tunnel,…
Stereoview photograph #317 by Alfred Hart for the Central Pacific Railroad collection. It is a photo of railroad workers building the road at the end of the Central Pacific Line when it was on the Humboldt Plains.