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100   $a20140701d1906      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aCorundum and its occurrence and distribution in the United States /$fby Joseph Hyde Pratt
205   $aRevised and enlarged edition of Bulletin no. 180.
210  1$aWashington, D.C. :$cDepartment of the Interior, United States Geological Survey,$d1906.
210  2$aWashington :$cGovernment Printing Office.
215   $a1 online resource (175 pages, XVIII pages of plates) $cillustrations, maps
225 1 $aBulletin / United States Geological Survey ;$vno. 269
225 1 $aSeries A, Economic geology, 61
300   $aTitle from title screen (viewed June 27, 2014).
320   $aIncludes bibliographical references and index.
606   $aCorundum$zUnited States
606   $aCorundum$2fast
615  0$aCorundum
615  7$aCorundum.
700   $aPratt$b Joseph Hyde$f1870-1942,$01386890
712 02$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   $a9910703981903321
996   $aCorundum and its occurrence and distribution in the United States$93436193
997   $aUNINA