Progress in the prevention and control of air pollution, third report of the Secretary of Health, Education, and Welfare to the .....
Subtitle: in compliance with Public Law 90-148, the Air Quality Act of 1967, March 1970
Series: Document -- no. 91-64; Document (United States. Department of Health, Education and Welfare. Secretary) -- no. 91-64
Publisher: Govt. Print. Off.
Published: 1970
Place of publication: Washington, D.C
Language: eng
Number of pages: 39