The Walla Walla River watershed, Washington and Oregon
Subtitle: program for runoff and waterflow retardation and soil erosion  prevention : survey report
By: United States Department of Agriculture.
Publisher: U.S. Dept. of Agriculture
Published: 1950
Place of publication: Portland, Or
Language: eng
Subjects: Soil conservation -- Walla Walla River Watershed (Or. and Wash.); Floods -- Walla Walla River (Or. and Wash.); Watersheds -- Northwest, Pacific.; Walla Walla River Watershed (Or. and Wash.)
Other titles: The Walla Walla River watershed.
Notes: On cover: Report of survey, Walla Walla River watershed, Washington and Oregon.

"October 1950."

"Preliminary draft."