Problems of air pollution in the District of Columbia.
Subtitle: Joint hearings before the Subcommittee on Business and Commerce and Subcommittee on Public Health, Education, Welfare, and Safety, Ninetieth Congress, first session [on S. 1941 ... ]
Contributors: United States. Congress. Senate. Committee on the Distict of Columbia. Subcommittee on Public Health, Education, Welfare, and Safety.
Publisher: U.S. Govt. Print. Off.
Published: 1967
Place of publication: Washington
Language: eng
Subjects: Air -- Pollution -- Washington, D.C.
Other titles: Air pollution in the District of Columbia.
Notes: Includes bibliographies.
Hearings held Mar. 8   1967-