Preliminary study of dynamic characteristics of skyline logging
By: by Ward W. Carson.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note -- PNW-136.; USDA Forest Service research note PNW -- 136.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S.D.A. Forest Service
Published: 1970
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 26
Subjects: Logging, Skyline.; Logging, Skyline -- Mathematics.
Notes: Caption title.

"December 1970."

Includes bibliographical references (p. 25-26)