Use of isotopes to identify sources of ground water, estimate ground-water-flow rates, and assess aquifer vulnerability in the Calumet Region of northwestern Indiana and northeastern Illinois /
by Robert T. Kay, E. Randall Bayless, and Robert A. Solak ; prepared in cooperation with the U.S. Environmental Protection Agency.

APA Citation

Kay, R. T., Solak, R. A., Bayless, E. Randall (Edward Randall)., Geological Survey (U.S.)., United States. Environmental Protection Agency. (2002). Use of isotopes to identify sources of ground water, estimate ground-water-flow rates, and assess aquifer vulnerability in the Calumet Region of northwestern Indiana and northeastern Illinois. Indianapolis, Ind.: U.S. Dept. of the Interior, U.S. Geological Survey .

MLA Citation

United States. Environmental Protection Agency, et al.. Use of Isotopes to Identify Sources of Ground Water, Estimate Ground-water-flow Rates, And Assess Aquifer Vulnerability In the Calumet Region of Northwestern Indiana And Northeastern Illinois. Indianapolis, Ind.: U.S. Dept. of the Interior, U.S. Geological Survey , 2002.