Soil survey of Columbia County, Oregon
By: by W.G. Harper and E.F. Torgerson.
Contributors: Torgerson, E. F. b. 1888.; United States. Soil Conservation Service.; Oregon State University. Agricultural Experiment Station.
Series: Series 1929 -- no. 35.
Publisher: U.S. Govt. Print. Off.
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 50
Subjects: Soil surveys -- Oregon -- Columbia County
Notes: Cover title.

Bureau of Chemistry and Soils in cooperation with the Oregon Agricultural Experiment Station.

Includes bibliographical references (p. 50).