Oregon ground squirrel and sage rat
By: by G.F. Sykes.
Contributors: Oregon Agricultural College. Extension Service.
Series: Cir -- 71.; Circular (Oregon Agricultural College. Extension Service) -- 71.
Publisher: Oregon Agricultural College, Extension Service
Published: 1917
Place of publication: Corvallis, OR
Language: eng
Subjects: Rodenticides.; Ground squirrels -- Control.
Notes: Caption title.

"Nov. 1917."