TY - BOOK T1 - Postflood occurrence of selected agricultural chemicals and volatile organic compounds in near-surface unconsolidated aquifers in the upper Mississippi River Basin, 1993 / DA - 1995. CY - Washington : CY - Denver, CO : AU - Kolpin, Dana W. AU - Thurman, E. M. VL - 1120 VL - G CN - QE75 CN - GB1217 CN - TD427.A35 CN - QE75 PB - U.S. G.P.O. ; PB - US Geological Survey Information Services, [distributor], PP - Washington : PP - Denver, CO : PY - 1995. N1 - Shipping list no.: 95-0172-P. ID - 164848 KW - Agricultural chemicals KW - Volatile organic compounds KW - Groundwater KW - Aquifers TI - Postflood occurrence of selected agricultural chemicals and volatile organic compounds in near-surface unconsolidated aquifers in the upper Mississippi River Basin, 1993 / LK - http://purl.access.gpo.gov/GPO/LPS98633 UR - http://purl.access.gpo.gov/GPO/LPS98633 ER -