The standard day's work in central Illinois
Subtitle: performance of implements and crews as indicated by reports from 600 farmers in a typical corn-belt area
By: by H.R. Tolley and L.M. Church
Contributors: Church, L. M. (Lillian M.), 1872-1939
Series: Bulletin / United States Department of Agriculture -- no. 814; Bulletin of the U.S. Department of Agriculture -- no. 814.
Publisher: U.S. Dept. of Agriculture
Published: 1920
Place of publication: Washington, D.C
Language: eng
Number of pages: 32
Subjects: Agriculture
Description: Of results. pp. 2.
Notes: Caption title.

"April 24, 1920."