LEADER 01617oam 2200445 450 001 9910706733403321 005 20180124100116.0 035 $a(CKB)5470000002458125 035 $a(OCoLC)896810158 035 $a(OCoLC)995470000002458125 035 $a(EXLCZ)995470000002458125 100 $a20141123d1969 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aSample size and meaningful gold analysis /$fby H. Edward Clifton [and three others] 210 1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1969. 215 $a1 online resource (iii, C17 pages) $cillustrations 225 1 $aGeological Survey professional paper ;$v625-C 300 $aTitle from title screen (viewed October 2, 2014). 300 $a"Shorter contributions to economic geology." 300 $a"A technique for estimating the size of sample required to provide a representative sample for analysis for gold and other particulate heavy metals and minerals." 320 $aIncludes bibliographical references (page C17). 606 $aGold$xAssaying 606 $aGold$xAssaying$2fast 615 0$aGold$xAssaying. 615 7$aGold$xAssaying. 700 $aClifton$b H. Edward$g(Hugh Edward),$f1934-$01410957 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910706733403321 996 $aSample size and meaningful gold analysis$93500960 997 $aUNINA