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1. 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.

Notes:
1 p. L., 135 p. plates, maps. 29 cm. and 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."
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University of Michigan. Libraries
Collection:
Washington,: Govt. print. off., and Ann Arbor, Michigan: University of Michigan Library