Cost of thinning 50-year-old Douglas-fir for pulpwood at Voight Creek experimental forest
By: by Norman P. Worthington.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note / Pacific Northwest Forest and Range Experiemnt Station, U.S. Dept. of Agriculture, Forest Service -- no. 215.; Research notes (Pacific Northwest Forest and Range Experiment Station (Portland, Or.)) -- no. 215.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1961
Place of publication: Portland, Or
Language: eng
Subjects: Douglas fir -- Thinning -- Washington (State) -- Pierce County.; Forest thinning -- Oregon -- Washington (State) -- Pierce County.; Forest management -- Washington (State) -- Pierce County.
Notes: Caption title.

"November 1961."

Includes bibliographical references.

Also issued online.