| Reference | {Deposit:: MONTANA BUREAU OF MINES & GEOLOGY BULLETIN 82, 1970 P. 30.}{Deposit:: MONTANA BUREAU OF MINES & GEOLOGY BULLETIN 129, 1991.}{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. 34.} |