A study of the cost of horse and tractor power on Illinois farms
By: by P.E. Johnston and J.E. Wills.
Contributors: Wills, J. E. 1903-
Series: Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 395; Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 395.
Publisher: University of Illinois Agricultural Experiment Station
Published: 1933
Place of publication: [Urbana, Ill.]
Language: eng
Number of pages: 332
Subjects: Farm mechanization -- Economic aspects -- Illinois.