The drainage of irrigated lands
By: by W.L. Powers.
Contributors: Oregon Agricultural College. Extension Service.
Series: Cir -- 18b.; Circular (Oregon Agricultural College. Extension Service) -- 18b.
Publisher: Oregon Agricultural College, Extension Service
Published: 1922
Place of publication: Corvallis, OR
Language: eng
Subjects: Irrigation -- Oregon.; Drainage -- Oregon.
Notes: Caption title.

"May 1922."

"Next page lacking" handwritten on leaf 4.