The cost and utilization of power on farms where tractors are owned
Subtitle: 286 farms, Ohio, Indiana, Illinois, 1920
By: by H.R. Tolley and L.A. Reynoldson
Contributors: Reynoldson, L. A. (Le Roy August), b. 1886
Series: Bulletin / United States Department of Agriculture -- no. 997; Bulletin of the U.S. Department of Agriculture -- no. 997.
Publisher: U.S. Dept. of Agriculture
Published: 1921
Place of publication: Washington, D.C
Language: eng
Number of pages: 61
Subjects: Farms; Energy consumption; Farm tractors
Notes: Caption title.

"December 21, 1921."