Soil survey of Polk County, Oregon
By: By E. F. Torgerson ... [et al.].
Contributors: Torgerson, E. F. 1888-; United States. Soil Conservation Service.; Oregon State University. Agricultural Experiment Station.
Publisher: U.S. Govt. Print. Off.
Published: 1927
Place of publication: Washington
Language: eng
Number of pages: 46
Subjects: Soil surveys -- Oregon -- Polk County.; Soils -- Oregon -- Polk County -- Maps.
Genres: Maps.
Notes: Advance Sheets--Field Operations of the Bureau of Soils, 1922.

At head of title: U.S. Department of Agriculture, Bureau of Soils in cooperation with the Oregon Agricultural Experiment Station.