Automatic crowding gate for dairy cows
By: [Agricultural Engineering Research Division, Agricultural Research Service]
Series: Miscellaneous publication / United States Department of Agriculture -- no. 1119; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 1119.
Publisher: U.S. Dept. of Agriculture
Published: 1969
Place of publication: Washington, D.C
Language: eng
Subjects: Cattle pens; Cattle; Equipment and supplies
Notes: "Issued January 1969."

"Cooperative farm building plan exchange, plan no. 6037."