View on U.P. Railway, rotary making 4 miles per hour on a 4 per cent grade with 2 inches of ice on rails, snow 7 feet deep

Jackson, William Henry, 1843-1942, View on U.P. Railway, rotary making 4 miles per hour on a 4 per cent grade with 2 inches of ice on rails, snow 7 feet deep (1890 April 18). Denver Public Library Digital Collections, accessed 09/02/2026, https://digital.denverlibrary.org/nodes/view/1050250