LEADER 01816oam 2200529I 450 001 9910704077303321 005 20151007103655.0 035 $a(CKB)5470000002436879 035 $a(OCoLC)885282035 035 $a(EXLCZ)995470000002436879 100 $a20140805d1982 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aFluorine in a closed drainage basin, Saguache and Alamosa Counties, Colorado /$fby Ralph E. Van Alstine and Frederick O. Simon 210 1$a[Reston, Va.] :$cUnited States Department of the Interior, Geological Survey,$d1982. 210 2$aWashington :$cUnited States Government Printing Office. 215 $a1 online resource (iii, 7 pages, 1 page of plates) $c2 maps 225 1 $aGeological Survey Bulletin ;$v1533 300 $aTitle from title screen (viewed Aug. 1, 2014). 320 $aIncludes bibliographical references. 606 $aFluorine 606 $aGeochemistry$zColorado$zAlamosa County 606 $aGeochemistry$zColorado$zSaguache County 606 $aFluorine$2fast 606 $aGeochemistry$2fast 607 $aColorado$zAlamosa County$2fast 607 $aColorado$zSaguache County$2fast 615 0$aFluorine. 615 0$aGeochemistry 615 0$aGeochemistry 615 7$aFluorine. 615 7$aGeochemistry. 700 $aVan Alstine$b Ralph Erskine$f1914-$01402176 702 $aSimon$b Frederick Otto$f1939- 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910704077303321 996 $aFluorine in a closed drainage basin, Saguache and Alamosa Counties, Colorado$93472160 997 $aUNINA