Soil survey of Washington County, Oregon
Contributors: United States. Soil Conservation Service; Oregon State University. Agricultural Experiment Station
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service
Published: 1982
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 138
Subjects: Soils -- Oregon -- Washington County -- Maps
Notes: Cover title

"In cooperation with Oregon Agricultural Experiment Station."

"Issued July 1982"--P. i

Bibliography: p. 135