LEADER 01528oem 2200445Ia 450 001 9910696562003321 005 20080422145432.0 035 $a(CKB)5470000002379230 035 $a(OCoLC)133467765 035 $a(EXLCZ)995470000002379230 100 $a20070523d2007 ca 101 0 $aeng 120 $ab|||||||||||| 121 $a||||||||| 124 $bd 135 $aurcnu--|m|||| 181 $ccrd$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe International Geomagnetic Reference Field, 2005$b[electronic resource] /$fby Kenneth S. Rukstales and Jeffrey J. Love ; U.S. Department of the Interior, U.S. Geological Survey 205 $aVersion 1.0. 210 1$aDenver, Colo. :$cU.S. Geological Survey,$d2007. 215 $a5 electronic maps $cHTML, digital, PDF file 225 1 $aScientific investigations map ;$v2964 300 $aTitle from HTML index page (viewed on May 23, 2007). 300 $aIncludes text and ancillary maps. 320 $aIncludes bibliographical references. 606 $aInternational Geomagnetic Reference Field$vMaps 608 $aMaps.$2lcgft 615 0$aInternational Geomagnetic Reference Field 700 $aRukstales$b K. S$01384230 701 $aLove$b Jeffrey J$01398449 712 02$aGeological Survey (U.S.) 801 0$bGIS 801 1$bGIS 801 2$bGPO 906 $aBOOK 912 $a9910696562003321 996 $aThe International Geomagnetic Reference Field, 2005$93461733 997 $aUNINA