View on U. P. Railway, showing clean rails left by rotary in its victorious trial over the Jull Plow on Alpine Pass, April 18th, 1890

Jackson, William Henry, 1843-1942, View on U. P. Railway, showing clean rails left by rotary in its victorious trial over the Jull Plow on Alpine Pass, April 18th, 1890 (1890 April 18). Denver Public Library Digital Collections, accessed 21/05/2025, https://digital.denverlibrary.org/nodes/view/1050425