An introduction to forest soils of the Douglas-fir region of the Pacific Northwest
By: Forest Soils Committee of the Douglas-Fir Region, University of Washington, Seattle.
Contributors: University of Washington.; Western Forestry and Conservation Association (U.S.)
Publisher: Western Forestry and Conservation Association
Published: 1957
Place of publication: Portland, Or
Language: eng
Subjects: Forest soils.; Soils -- Northwest, Pacific.
Other titles: Forest soils of the Douglas-fir region of the Pacific Northwest.
Notes: Includes bibliographies.