Water pollution control legislation--1971 (proposed amendments to existing legislation).
Subtitle: Hearings, Ninety-second Congress, first session.
Publisher: U.S. Govt. Print. Off.
Published: 1971
Place of publication: Washington
Language: eng
Number of pages: 2435
Subjects: Water -- Pollution -- Law and legislation -- United States.
Notes: "(92-16)."
Hearings held July 13 - Nov. 9, 1971.