TY - BOOK T1 - 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 / DA - 2002. CY - Indianapolis, Ind. : CY - Denver, CO : AU - Kay, Robert T. AU - Bayless, E. Randall AU - Solak, Robert A. VL - 02-4213 CN - GB701 CN - GB701 PB - U.S. Dept. of the Interior, U.S. Geological Survey ; PB - Branch of Information Services [distributor], PP - Indianapolis, Ind. : PP - Denver, CO : PY - 2002. ID - 263032 KW - Artificial recharge of groundwater KW - Groundwater flow KW - Hydrogeology KW - Isotope geology TI - 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 / LK - http://catalog.hathitrust.org/api/volumes/oclc/51252461.html LK - http://purl.access.gpo.gov/GPO/LPS99263 UR - http://catalog.hathitrust.org/api/volumes/oclc/51252461.html UR - http://purl.access.gpo.gov/GPO/LPS99263 ER -