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101 0 $aeng
200 14$aThe fluorspar deposits of southern Illinois
210  1$aWashington, [D.C.]$cGovt. Print. Off$d1905
215   $a1 online resource
606   $aFluorspar
606   $aGeology
610  5$aIllinois
615  4$aFluorspar
615  4$aGeology
801  0$bDLC
906   $aBOOK
912   $a9910708201003321
996   $aThe fluorspar deposits of southern Illinois$94447228
997   $aUNINA