Proceedings of the Fourth National Ground Water Quality Symposium, September 20-22, 1978, Minneapolis, Minnesota /
cosponsored by the U.S. Environmental Protection Agency and the National Water Well Association

APA Citation

National Ground Water Quality Symposium (4th : 1978 : Minneapolis, M., National Water Well Association., United States. National Technical Information Service., Robert S. Kerr Environmental Research Laboratory. (1979). Proceedings of the Fourth National Ground Water Quality Symposium, September 20-22, 1978, Minneapolis, Minnesota. Ada, Okla.: Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency.

MLA Citation

National Ground Water Quality Symposium (4th : 1978 : Minneapolis, Minn.), National Water Well Association, United States. National Technical Information Service, and Robert S. Kerr Environmental Research Laboratory. Proceedings of the Fourth National Ground Water Quality Symposium, September 20-22, 1978, Minneapolis, Minnesota. Ada, Okla.: Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1979.