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

"Published July 2003"--P. [20].