LEADER 01505oam 2200481 450 001 9910711715703321 005 20190115095552.0 035 $a(CKB)5470000002486918 035 $a(OCoLC)953695279 035 $a(OCoLC)995470000002486918 035 $a(EXLCZ)995470000002486918 100 $a20160718e19811969 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aGold in igneous, sedimentary, and metamorphic rocks /$fby Robert S. Jones 210 1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1969. 210 3$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1981. 215 $a1 online resource (iii, 28 pages) 225 1 $aGeological Survey circular ;$v610 320 $aIncludes bibliographical references (pages 23-24). 606 $aGold ores 606 $aGold$xAssaying 606 $aGold$xAssaying$2fast 606 $aPetrology$2fast 615 0$aGold ores. 615 0$aGold$xAssaying. 615 7$aGold$xAssaying. 615 7$aPetrology. 700 $aJones$b Robert Sprague$f1913-$01386505 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCA 801 2$bGPO 906 $aBOOK 912 $a9910711715703321 996 $aGold in igneous, sedimentary, and metamorphic rocks$93435469 997 $aUNINA