Indicates routes of Capt. Ingalls, Col. Steptoe,and Lt. Mowrey, and camping grounds. "Ackerman Lith. 319 Broadway, N.Y." House Exec. Doc. No. 1, 1st session, 34th Congress; Senate Ex. Doc. No. 1, 1st session, 34th Congress. In Wheat,"Mapping of the Trans-Mississippi West", v.4, p. 210. 1 map; 57 x 47cm