economic relation of tractors to farm organization in the grain farming areas of eastern Washington
By: by E.F. Landerholm.
Series: Bulletin / State College of Washington. Agricultural Experiment Station -- no. 310.; Bulletin (State College of Washington. Agricultural Experiment Station) -- no. 310.
Publisher: State College of Washington, Agricultural Experiment Station
Published: 1935
Place of publication: Pullman, Wash
Language: eng
Number of pages: 51
Subjects: Farm management; Farm tractors
Notes: Cover title.