| Reference | {Deposit:: GEOL.MON.2,1949,P26,40,44,48,68,95,FIG.16.}{Deposit:: GUITERAS,JR.MINING & MILLING METHODS & COSTS AT B.H.TIN CO,T}{Deposit:: LINCOLN,FC BERYL IN THE BL.HILLS.ENG.&MIN.JOUR,VOL.135,1934.}{Deposit:: -210.}{Deposit:: STERRETT.DB.MICA DEP.OF SD.GEOL.SURVEY BULL.380,1909,PP299-3}{Deposit:: STERRETT.DB,MICA DEP.OF THE US.GEOL.SURVEY BULL.740,1923,PP3}{Deposit:: U.S.BUREAU OF MINES STAFF,REGION V,B.H.MIN.ATLAS,1C7707,1955}{Deposit:: STERRETT,DB,MICH DEP.OF SD.GEOL.SURVEY BULL.380,1909,PP299-3}{Deposit:: STERRETT DB,MICH DEP.OF THE US.GEOL.SURVEY BULL.740,1923,PP3}{Deposit:: U.S BUREAU OF MINES STAFF,REGION 5,B.H.MIN.ATLAS,IC7707,1955} |