Commercial thinning in Douglas-fir with a horse
By: by Alan B. Berg.
Contributors: Oregon State University. Forest Research Laboratory.
Series: Research paper -- 6.; Research paper (Oregon State University. Forest Research Laboratory) -- 6.
Publisher: Forest Management Research, Forest Research Laboratory, Oregon State University
Published: 1966
Place of publication: [Corvallis, Or.]
Language: eng
Number of pages: 24
Subjects: Douglas fir -- Thinning -- Oregon.; Draft horses -- Oregon.; Animals in logging -- Oregon.
Notes: Cover title.

"July 1966."

Includes bibliographical references (p. 21).