Soil guide sheet.
By: [prepared by A.I. Dow ... et al.].
Contributors: Dow, A. I.
Series: Extension mimeo -- 3220.; Extension mimeo (Washington State University. Cooperative Extension) -- 3220.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1969
Place of publication: Pullman
Language: eng
Notes: Caption title.

"July 1969."

"E.M. 3220."