Air pollution-1970
Subtitle: hearings ... Ninety-first Congress, second session, S. 3229, S. 3466, S. 3546.
Publisher: U.S. Govt. Print. Off.
Published: 1970
Place of publication: Washington
Language: eng
Subjects: Air -- Pollution -- Law and legislation -- United States.; Air Pollution -- United States -- legislation.
Notes: Hearings held Mar. 16-May 27, 1970.