LEADER 00997nam 2200325Ka 450 001 9910691320603321 005 20020125144742.0 035 $a(CKB)5470000002346171 035 $a(OCoLC)48862294 035 9 $aocm48862294 035 $a(OCoLC)995470000002346171 035 $a(EXLCZ)995470000002346171 100 $a20020125d2002 ua 0 101 0 $aeng 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aNational Water-Quality Assessment (NAWQA) Program$b[electronic resource] $ebibliography 205 $aVersion 01/07/2002. 210 1$a[Reston, Va.] :$cU.S. Geological Survey,$d[2002] 300 $aTitle from title screen. 517 $aNational Water-Quality Assessment 608 $aBibliographies.$2lcgft 712 02$aGeological Survey (U.S.) 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910691320603321 996 $aNational Water-Quality Assessment (NAWQA) program$93425065 997 $aUNINA