Labor requirements in thinning Douglas-fir and western hemlock on two experimental forests in western Washington
By: by Norman P. Worthington.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: PNW ; 43; U.S. Forest Service research note PNW -- 43.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1966
Place of publication: Portland, Or
Language: eng
Number of pages: 12
Subjects: Douglas fir -- Thinning -- Washington (State), Western.; Western hemlock -- Thinning -- Washington (State), Western.; Forests and forestry -- Economic aspects -- Washington (State), Western.
Notes: Caption title.

"September 1966."

Includes bibliographical references.