Tillage
By: by C.I. Lewis.
Contributors: Oregon Agricultural College. Extension Service.
Series: Cir -- 66.; Circular (Oregon Agricultural College. Extension Service) -- 66.
Publisher: Oregon Agricultural College, Extension Service
Published: 1917
Place of publication: Corvallis, OR
Language: eng
Subjects: Tillage -- Northwest, Pacific.
Notes: Caption title.

"September, 1917."