Atmospheric turbidity over the United States from 1967 to 1976
By: Elmer Robinson and Ralph J. Valente
Contributors: Valente, Ralph J; Environmental Sciences Research Laboratory
Publisher: U.S. Environmental Protection Agency, Environmental Sciences Research Laboratory; Center for Environmental Research Information [distributor]
Published: 1982
Place of publication: Research Triangle Park, NC; Cincinnati, OH
Language: eng
Subjects: Atmospheric turbidity -- United States; Air -- Pollution -- United States
Notes: Caption title

At head of title: Project summary

"Sept. 1982."

"EPA-600/S3-82-076."