LEADER 01635oam 2200505 450 001 9910711557803321 005 20181106080822.0 035 $a(CKB)5470000002484473 035 $a(OCoLC)953259214 035 $a(OCoLC)995470000002484473 035 $a(EXLCZ)995470000002484473 100 $a20160708d1949 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe chromograph $ea new analytical tool for laboratory and field use /$fby Rollin E. Stevens and Hubert W. Lakin 210 1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1949. 215 $a1 online resource (11 pages) $cillustrations 225 1 $aGeological Survey circular ;$v63 300 $a"December 1949." 320 $aIncludes bibliographical references (page 10). 517 $aChromograph 606 $aChemical apparatus 606 $aChemical tests and reagents 606 $aChemical apparatus$2fast 606 $aChemical tests and reagents$2fast 615 0$aChemical apparatus. 615 0$aChemical tests and reagents. 615 7$aChemical apparatus. 615 7$aChemical tests and reagents. 700 $aStevens$b R. E$g(Rollin E.),$01393677 702 $aLakin$b Hubert W$g(Hubert William),$f1907-1986, 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 $a9910711557803321 996 $aThe chromograph$93515969 997 $aUNINA