SP cab-forward 4135 leads 61 cars westbound at 10 MPH, after exiting a snowshed in the vicinity of Donner Pass, on August 4th 1935. Otto Conrad Perry photo, from my collection.
Virginian Railway 2-10-10-2 number 801 leads 150 cars westbound doing 10 MPH at Roanoke Virginia on August 7th 1932. Otto Conrad Perry photo, from my collection.