U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1975.

U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1973.

U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1971.

U.S.. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water Resources Development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, 1969.