Exploration for wagon road from Fort Ellis, M.T., to mouth of Muscleshell River / by Capt. E.W. Clift, 13th Infty. ; Office of Engineers, H'd. Q'rs., Dep't of Dakota ; reduced from field notes of Geo. B. Foote, C.E., 1869 Nov 9Clift, Emory W., d. 18861869Autograph manuscript map of central Montana Territory, showing topographical features, settlements, reservations, and roads. A route is indicated between Fort Ellis and Muscleshell Town, near the confluence of the Musselshell and Missouri Rivers.cartographic