Non-Point source pollution seminar : section 108(a) demonstration projects progress reports, November 20, 1975 ... / sponsored by U.S. Environmental Protection Agency, Office of the Great Lakes Coordinator, section 108(a) program
Chicago, Ill. : Environmental Protection Agency, Office of the Great Lakes Coordinator, 1975. Springfield, Va. : For sale by the National Technical Information Service.
Cover title: Pollution control in Great Lakes. Held in the "Region V office of the U.S. Environmental Protection Agency, in Chicago, Ill." "EPA ; 905/9-75-007".