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: by Robert T. Kay, E. Randall Bayless, and Robert A. Solak ; prepared in cooperation with the U.S. Environmental Protection Agency
Contributors: Bayless, E. Randall 1961-; Solak, Robert A; United States. Environmental Protection Agency; Geological Survey (U.S.)
Series: Water-resources investigations report -- 02-4213
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; U.S. Geological Survey, Branch of Information Services [distributor]
Published: 2002
Place of publication: Indianapolis, Ind; Denver, CO
Language: eng
Number of pages: 60
Subjects: Artificial groundwater recharge -- Calumet Region (Ill. and Ind.); Groundwater flow -- Calumet Region (Ill. and Ind.); Hydrogeology -- Calumet Region (Ill. and Ind.); Isotope geology -- Calumet Region (Ill. and Ind.)
Notes: Shipping list no.: 2003-0078-P

Includes bibliographical references (p. 58-60)