Sketches and surveys made during the exploratory tour of 1857 to Nebraska and Dakota under Lt. G. K. Warren 1857Engle, Paul Max, d. 1862engThe maps (scale 1 inch to the mile) represent the first official survey of this part of Nebraska and South Dakota. The route taken by the party, indicated by camping places and dates, falls into four groups: Sioux City to Loup Fork; Fort Laramie to Laramie Peak and back; Fort Laramie to the Black Hills, Cheyenne and Niobrara Rivers; and down the Niobrara to Missouri. These charts have been keyed to a printed map, "Military map of Nebraska and Dakota by Lieut. G. K. Warren....", 35th Cong., 1st. SessPaul Max Engle, topographer on 1855-57 expedition to Nebraska and Dakota.Available on microfilm.Original binding.Accompanied by Gouverneur Kemble Warren's "Preliminary Report of Explorations in Nebraska and Dakota in the Years 1855-'56-'57...," Annual Report of Captain A. A. Humphreys, Topographical Engineers, in Charge of Office of Explorations and Surveys, War Department, Washington, 1859, p. 43-173.