Potential production in thinned Douglas-fir plantations
By: by David Bruce.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: USDA Forest Service research paper PNW -- no. 87.; USDA Forest Service research paper PNW -- 87.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1969
Place of publication: Portland, Or
Language: eng
Number of pages: 22
Subjects: Douglas fir.; Forests and forestry -- Measurement.; Forest thinning.
Notes: Cover title.

Bibliography: p. 16-19.