Control of Canada thistle in central irrigated Washington.
Series: Extension mimeo -- 3978.; Extension mimeo (Washington State University. Cooperative Extension Service) -- 3978.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1975
Place of publication: Pullman
Language: eng
Notes: Caption title.

"Prepared by James H. Griffin"--P. [3].

"June 1975"--P. [1].

"E.M. 3978"--P. [1].