Whipple, A.W., with Ives, J.C., 1853-1854, Report of explorations for a railway route, near the thirty-fifth parallel of north latitude, from the Mississippi River to the Pacific Ocean, in Report of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean. Made under the direction of the Secretary of War, in 1853-4, V. 3: U.S. Congress, 33rd, 2nd Session, House Executive Document 91 [1856] [Washington, D.C., A.O.P. Nicholson, Printer].
