Potato insect calendar for Washington.
Contributors: Washington State University. Cooperative Extension Service.
Edition: Rev.
Series: Extension mimeo -- 2603.; Extension mimeo (Washington State University. Cooperative Extension) -- 2603.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1968
Place of publication: Pullman
Language: eng
Number of pages: 13
Notes: Cover title.

"April 1968."

"E.M. 2603."