"Stansbury Expedition (1849-1850) Maps." . . . . . . "Map of a reconnoissance between Fort Leavenworth on the Missouri River, and the Great Salt Lake in the territory of Utah, made in 1840 and 1850 under the orders of Col. J.J. Abert, chief of the Topographical Bureau"@en . . "Maps"@en . . . . . . . . . . . . "West (U.S.)" . . "Maps shelf." . .