Hay harvesting methods and costs
By: by Robert E. Marx and James W. Birkhead.
Contributors: Birkhead, James Wesley, 1916-
Series: Circular / United States Department of Agriculture ;; no. 868; Circular (United States. Dept. of Agriculture) ;; no. 868.
Publisher: U.S. Dept. of Agriculture
Published: 1951
Place of publication: Washington, D.C
Language: eng
Number of pages: 122
Subjects: Hay -- Harvesting.; Hay -- Harvesting -- Machinery.
Notes: Cover title.