TY - BOOK T1 - A computerized data base of nitrate concentrations in Indiana ground water / DA - 1995. CY - Indianapolis, Ind. : CY - Denver, CO : AU - Risch, Martin R. AU - Cohen, David A. CN - I 19.76: CN - QE75 CN - QE75 PB - U.S. Geological Survey ; PB - U.S. Geological Survey, Earth Science Information Center, Open-File Reports Section [distributor], PP - Indianapolis, Ind. : PP - Denver, CO : PY - 1995. ID - 220202 KW - Water KW - Nitrates. KW - Groundwater TI - A computerized data base of nitrate concentrations in Indiana ground water / ER -