Water Pollution Control: Hearings Before the Committee on Public Works, House of Representatives, Eightieth Congress, First Session, on H.R. 123, H.R. 315, H.R. 470, Bills to Provide for Water-pollution-control Activities in the United States Public Health Service, and for Other Purposes, June 11, 12, 13, and 16, 1947
United States. Congress. House. Committee on Public Works
Jan 1947 · U.S. Government Printing Office