James Ackerman (lithographer), 1851. In Stansbury, Capt. Howard (Corps of Topographical Engineers, U.S. Army) "Exploration and Survey of the Valley of the Great Salt Lake of Utah", Washington, DC: United States Senate (Special Session, March, 1851, Executive Document #3). 1852. Wikimedia Commons,
https://commons.wikimedia.org/wiki/File:Fort_Utah_c1850.jpg.
