Reports of explorations and surveys to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean ; Volume VI. Routes in Oregon and California

Joseph Henry; War Department,; United States. Army. Corps of Engineers.; Spencer Fullerton Baird

Washington [D.C.] : A.O.P. Nicholson, printer, 1857.

Volume VI. Routes in Oregon and California. Bound in publisher's brown cloth. Chip off spine edge.  Solid binding. Scattered foxing. 35 of 50 plates: 3 of 13 color lithographic views in the General Report  5 Geology plates (1 color), 14 of 16 Botany plates (8 color lithographs), 11 fish plates, 2 hand-colored plates of birds, lacking the last 3 mammal plates. Vol VI: 33d Cong., 2d Sess., Senate Ex. Doc. 78.