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100   $a20011121d1999      ua             0
101 0 $aeng
135   $auo||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acd$2rdacarrier
200 02$aA geological and geophysical setting of the gold-silver vein system of Unga Island, southwestern Alaska$b[electronic resource] /$fedited by James R. Riehle
205   $aVersion 1.3.
210  1$aMenlo Park, CA :$cU.S. Geological Survey ;$a[Denver, CO] :$cUSGS Information Services (Open-File Report Sales),$d1999.
215   $a1 CD-ROM $ccolor ;$d4 3/4 in
225 1 $aOpen-file report ;$v99-136
300   $aTitle from title screen.
300   $aShipping list no.: 2000-0010-E.
300   $aVersion history: 1.0, online, June 12, 1999. Version 1.1 -- 1.3, June 21 -- Sept. 1999, added online enhancements. CD added Sept. 1999.
311   $a0-607-92654-6 
330   $aCore of publication is new geologic map at scale of 1:63,360 and aeromagnetic and electromagnetic survey data acquired by industry over area of mineralization. Goal is deciphering the relations among volcanism, tectonism, and mineralization.
517 1 $aGeological and geophysical study of the gold-silver vein system of Unga Island, southwestern Alaska
517 1 $aGold-silver vein systems, Unga Island, southwestern Alaska
606   $aGold ores$xGeology$zAlaska$zUnga Island
606   $aSilver ores$xGeology$zAlaska$zUnga Island
606   $aGeology$zAlaska$zUnga Island$vMaps
606   $aMagnetic prospecting$zAlaska$zUnga Island
608   $aMaps.$2lcgft
615  0$aGold ores$xGeology
615  0$aSilver ores$xGeology
615  0$aGeology
615  0$aMagnetic prospecting
676   $a553.4/09798
701   $aRiehle$b J. R$01381581
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bDLC
801  2$bGPO
906   $aBOOK
912   $a9910689722303321
996   $aA geological and geophysical setting of the gold-silver vein system of Unga Island, southwestern Alaska$93424318
997   $aUNINA