Results of shelterwood harvesting of Douglas-fir in the Cascades of western Oregon
By: Richard L. Williamson.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: USDA Forest Service research paper PNW -- no. 161.; USDA Forest Service research paper PNW -- 161.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1973
Place of publication: Portland, Or
Language: eng
Number of pages: 13
Subjects: Douglas fir.; Forest thinning.; Reforestation.
Notes: Cover title.

Includes bibliographical references.