Thinning young Douglas-fir west of the Cacades for timber and wildlife
By: Ole T. Helgerson and Jim Bottorff.
Contributors: Bottorff, Jim.; United States. Dept. of Agriculture.; Washington State University. Extension.
Series: EB -- 1927; Extension bulletin (Washington State University. Cooperative Extension) -- 1927.
Publisher: Washington State University Extension; U.S. Dept. of Agriculture
Published: 2003
Place of publication: [Pullman, Wash.]; [Washington, D.C.]
Language: eng
Number of pages: 18
Subjects: Douglas fir -- Thinning -- Northwest, Pacific; Forest thinning -- Northwest, Pacific
Notes: Caption title.

Includes bibliographical references.