Air quality act of 1967.
Subtitle: Hearings, ninetieth Congress, first session, on H. R. 9509, a bill to amend the Clean air act...S. 780, an act to amend the Clean air act...August 15, 16, 17, 18, 21, 22, 23, 24, 1967.
Publisher: U.S. Govt. Print. Off.
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 887
Subjects: Air Pollution -- United States -- legislation.
Notes: Serial no. 90-10.