Cyanide treatment for mill insects
By: by Frank H. Lathrop.
Contributors: Oregon Agricultural College. Extension Service.
Series: Cir -- 151.; Circular (Oregon Agricultural College. Extension Service) -- 151.
Publisher: Oregon Agricultural College, Extension Service
Published: 1919
Place of publication: Corvallis, OR
Language: eng
Subjects: Flour mills -- Fumigation.; Cyanides.
Notes: Caption title.

"July 1919."