LEADER 01318nam  2200397   450 
001 9910713867703321
005 20200904113128.0
035   $a(CKB)5470000002505015
035   $a(OCoLC)1193028776
035   $a(EXLCZ)995470000002505015
100   $a20200904d2020      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGrade and tonnage model for tungsten skarn $e2020 update /$fby Carlin J. Green [and three others]
210  1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2020.
215   $a1 online resource (vi, 23 pages) $cillustrations (some color)
225 1 $aScientific investigations report,$x2328-0328 ;$v2020-5085
320   $aIncludes bibliographical references (pages 18-23).
517   $aGrade and tonnage model for tungsten skarn 
606   $aTungsten ores
606   $aOre deposits
606   $aSkarn
615  0$aTungsten ores.
615  0$aOre deposits.
615  0$aSkarn.
700   $aGreen$b Carlin J.$01406910
712 02$aGeological Survey (U.S.),
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910713867703321
996   $aGrade and tonnage model for tungsten skarn$93487008
997   $aUNINA