LEADER 01547oam 2200529 450 001 9910711569703321 005 20181101112641.0 035 $a(CKB)5470000002484353 035 $a(OCoLC)953105137 035 $a(OCoLC)995470000002484353 035 $a(EXLCZ)995470000002484353 100 $a20160706d1933 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe bleaching clays /$fby P. G. Nutting 210 1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1933. 215 $a1 online resource (51 pages) $cillustrations 225 1 $aCircular ;$v3 320 $aIncludes bibliographical references. 606 $aClay minerals 606 $aFuller's earth 606 $aOptical brighteners 606 $aBleaching materials 606 $aClay minerals$2fast 606 $aFuller's earth$2fast 606 $aOptical brighteners$2fast 615 0$aClay minerals. 615 0$aFuller's earth. 615 0$aOptical brighteners. 615 0$aBleaching materials. 615 7$aClay minerals. 615 7$aFuller's earth. 615 7$aOptical brighteners. 700 $aNutting$b P. G$g(Perley Gilman),$f1873-$01415245 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910711569703321 996 $aThe bleaching clays$93519459 997 $aUNINA