Cost of harvesting wheat by different methods
By: by Arnold P. Yerkes and L.M. Church
Contributors: Church, L. M. (Lillian M.), 1872-1939
Series: Bulletin / United States Department of Agriculture -- no. 627; Bulletin of the U.S. Department of Agriculture -- no. 627.
Publisher: U.S. Dept. of Agriculture
Published: 1918
Place of publication: Washington, D.C
Language: eng
Number of pages: 22
Subjects: Wheat; Harvesting; Costs
Notes: Caption title.

"February 13, 1918."