Air pollution, 1967.
Subtitle: Hearings, Ninetieth Congress, first session.
Publisher: U.S. Govt. Print. Off.
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 2694
Subjects: Air -- Pollution -- Law and legislation -- United States.
Notes: Includes bibliographies.
Hearings held Feb. 8-May 18, 1967, in various cities.
Each part has also special subtitle.