Observe, record and discuss.
Contributors: Washington State University. Cooperative Extension Service.
Series: Extension mimeo -- 2728.; Extension mimeo (Washington State University. Cooperative Extension) -- 2728.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1966
Place of publication: Pullman
Language: eng
Notes: Caption title.

"November, 1966."

"E. M. 2728."