Mechanical seed cotton unloading system
By: Oliver L. McCaskill and Eugene P. Columbus
Contributors: Columbus, Eugene P.; United States. Agricultural Research Service
Series: ARS -- 42-144; ARS 42 -- 144.
Publisher: Agricultural Research Service, U.S. Dept. of Agriculture
Published: 1968
Place of publication: [Beltsville, Maryland]
Language: eng
Number of pages: 12
Subjects: Cotton gins and ginning; Cotton picking
Notes: Caption title.

"June 1968."