Response to commercial thinning in a 110-year old Douglas-fir stand
By: Richard L. Williamson
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research paper PNW -- 296
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1982
Place of publication: Portland, Or
Language: eng
Number of pages: 16
Subjects: Forest thinning; Douglas fir
Notes: "June 1982."

Bibliography: p. 15-16