TY - BOOK T1 - Delineation of the Troy Bedrock Valley and particle-tracking analysis of ground-water flow underlying Belvidere, Illinois / DA - 2002. CY - Urbana, Ill. : CY - Denver, CO : AU - Mills, Patrick C. AU - Halford, Keith J. AU - Cobb, R. P. VL - 02-4062 CN - GB701 CN - GB701 PB - U.S. Dept. of the Interior, U.S. Geological Survey ; PB - U.S. Geological Survey, Branch of Information Services [distributor], PP - Urbana, Ill. : PP - Denver, CO : PY - 2002. ID - 263022 KW - Groundwater flow TI - Delineation of the Troy Bedrock Valley and particle-tracking analysis of ground-water flow underlying Belvidere, Illinois / LK - http://purl.access.gpo.gov/GPO/LPS100177 UR - http://purl.access.gpo.gov/GPO/LPS100177 ER -