LEADER 01358oam 2200397Ia 450 001 9910696834203321 005 20080728090957.0 035 $a(CKB)5470000002382542 035 $a(OCoLC)77481782 035 $a(EXLCZ)995470000002382542 100 $a20061227d2006 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 04$aThe National Volcano Early Warning System (NVEWS)$b[electronic resource] /$f[John Ewert ... and others] 210 1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[2006] 215 $a2 unnumbered pages $cdigital, PDF file 225 1 $aFact sheet ;$v2006-3142 300 $aTitle from PDF title screen (viewed on July 25, 2008). 300 $a"December 2006." 517 $aNational Volcano Early Warning System 606 $aVolcanic hazard analysis$zUnited States 606 $aNatural disaster warning systems$zUnited States 615 0$aVolcanic hazard analysis 615 0$aNatural disaster warning systems 701 $aEwert$b John W$01381958 712 02$aGeological Survey (U.S.) 801 0$bGIS 801 1$bGIS 801 2$bGPO 906 $aBOOK 912 $a9910696834203321 996 $aThe National Volcano Early Warning System (NVEWS)$93464719 997 $aUNINA