Estimating volume of Douglas-fir butt logs
By: by David Bruce.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note -- PNW-117.; USDA Forest Service research note PNW -- 117.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S.D.A. Forest Service
Published: 1970
Place of publication: [Portland, Or.]
Language: eng
Subjects: Douglas fir.; Lumber -- Mensuration.
Notes: Caption title.

"February 1970."

Includes bibliographical references.