Air pollution
By: Arlen D. Davison.
Series: Environmental education series (Pullman, Wash.); Extension mimeo -- 3656.; Extension mimeo (Washington State University. Cooperative Extension Service) -- 3656.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1973
Place of publication: Pullman
Language: eng
Number of pages: 13
Notes: Caption title.

"December 1973."

"E.M. 3656."