Comparative costs for slackline, highlead and tractor yarding
By: by Hubert L. Person
Contributors: California Forest and Range Experiment Station
Series: Research note / California Forest and Range Experiment Station -- no. 15; Research note (California Forest and Range Experiment Station) -- no. 15.
Publisher: California Forest and Range Experiment Station
Published: 1937
Place of publication: Berkeley, Calif
Language: eng
Subjects: Tractors; Equipment and supplies; Logging
Notes: Caption title.

"June 4, 1937."