Cost of operating power equipment on Oregon farms
By: by D. Curtis Mumford, Virgil D. Kennedy, and George B. Davis.
Contributors: Davis, George B. 1915-; Kennedy, Virgil D. 1917-
Series: Station bulletin -- 409.; Station bulletin (Oregon State College. Agricultural Experiment Station) -- 409.
Publisher: Oregon State System of Higher Education, Agricultural Experiment Station, Oregon State College
Published: 1942
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 31
Subjects: Agricultural machinery.; Traction-engines.
Notes: Illustrated cover included in paging.

"United States Department of Agriculture cooperating."