The natural quality of ground water in Minnesota /
by Thomas C. Winter ; prepared cooperatively by the Geological Survey, U.S. Department of the Interior and the Minnesota Department of Natural Resources, Division of Waters, Soils, and Minerals.

APA Citation

Winter, T. C., Minnesota. Division of Waters, S., Geological Survey (U.S.). (1974). The natural quality of ground water in Minnesota. St. Paul: The Division.

MLA Citation

Winter, Thomas C, Soils Minnesota. Division of Waters, and Geological Survey (U.S.). The Natural Quality of Ground Water In Minnesota. St. Paul: The Division, 1974.

Warning: These citations may not always be complete (especially for serials).