| Reference | {Deposit:: MONTANA BUREAU OF MINES & GEOLOGY BULLETIN 100, 1976, P. 28.}{Deposit:: MONTANA BUREAU OF MINES & GEOLOGY BULLETIN 95, 1975.}{Deposit:: MSHA REPORT, NOVEMBER 1982.}{Deposit:: U.S. BUREAU OF MINES, 1994, DIRECTORY OF PRINCIPAL U.S.}{Deposit:: GEMSTONE PRODUCERS IN 1993; U.S. BUREAU OF MINES MINERAL}{Deposit:: INDUSTRY SURVEYS, P. 32.} |