Alfred Hart, 1864 (ca), Locomotive on Trestle, near American River, [Central Pacific Railroad, California], Stereocard, Union Pacific Museum, LL/91922
Alfred Hart, 1869, 10 May, Last Rail is Laid. Scene at Promontory Point, May 10th 1869, [Central Pacific Railroad, Utah], Stereocard, Union Pacific Museum, LL/91921