Progress toward cleaner air
By: by John T. Middleton
Contributors: United States. National Air Pollution Control Administration
Publisher: Dept. of Health, Education, and Welfare, Public Health Service, Consumer Protection and Environmental Health Services, National Air Pollution Control Administration
Published: 1969
Place of publication: Arlington, Va
Language: eng
Subjects: Air -- Pollution
Notes: "Presented at the Meeting of the Federal Business Association of Greater Cincinnati, April 15, 1969."