LEADER 01696oam 2200493 450 001 9910711566103321 005 20181102100342.0 035 $a(CKB)5470000002484389 035 $a(OCoLC)953211599 035 $a(OCoLC)995470000002484389 035 $a(EXLCZ)995470000002484389 100 $a20160707d1982 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aSedimentary phosphate resource classification system of the U.S. Bureau of Mines and the U.S. Geological Survey /$f[U.S. Geological Survey] 210 1$a[Reston, Va.?] :$cUnited States Department of the Interior, Geological Survey,$d1982. 215 $a1 online resource (v, 9 pages) $cillustrations 225 1 $aGeological Survey circular ;$v882 320 $aIncludes bibliographical references (page 9). 606 $aPhosphates$zUnited States$vClassification 606 $aSediments (Geology)$zUnited States$vClassification 606 $aPhosphates$2fast 606 $aSediments (Geology)$2fast 607 $aUnited States$2fast 608 $aClassification.$2fast 615 0$aPhosphates 615 0$aSediments (Geology) 615 7$aPhosphates. 615 7$aSediments (Geology) 712 02$aGeological Survey (U.S.), 712 02$aUnited States.$bBureau of Mines. 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCA 801 2$bGPO 906 $aBOOK 912 $a9910711566103321 996 $aSedimentary phosphate resource classification system of the U.S. Bureau of Mines and the U.S. Geological Survey$93290013 997 $aUNINA