01256cam a22002531 4500 rc 01000353 DLC 20260227111859.0 800609s1882 dcubf f000 0 eng rc 01000353 (OCoLC)6400080 DLC NBrockU DLC premarc F853 .U58 United States. Army. Corps of Engineers. Report of an examination of the upper Columbia river and the territory in its vicinity in September and October, 1881, to determine its navigability, and adaptability to steamboat transportation. Made by direction of the commanding general of the Department of the Columbia, by Lieut. Thomas W. Symons. Washington, Govt. Print. Off., 1882. 1 p. l., 135 p. plates, maps. 29 cm. U. S. 47th Cong., 1st sess. Senate. Ex. doc. 186 Appended is "Map of the upper Columbia river ... 25 sheets and an index sheet. From surveys and examinations made in 1881, by Lieut. Thomas W. Symons ... and Alfred Downing ... Drawn by Alfred Downing." Columbia River Valley. United States Discovery and exploration. Symons, T. W. (Thomas William), 1849-1920. 51783 51783