| Reference | {Deposit:: INTERNAT. DIR. OF MINING AND MINERAL PROCES. OPERAT. 1977}{Deposit:: ENGINEERING & MINING JOURNAL, 1979, INTERNATIONAL DIRECTORY OF MINING, P. 321.}{Deposit:: ENGINEERING & MINING JOURNAL, 1980, INTERNATIONAL DIRECTORY OF MINING, P. 329.}{Deposit:: ENGINEERING & MINING JOURNAL, 1984, INTERNATIONAL DIRECTORY OF MINING, P. 310.}{Deposit:: ENGINEERING & MINING JOURNAL, 1985, INTERNATIONAL DIRECTORY OF MINING, P. 290.}{Production:: ENGINEERING & MINING JOURNAL (1979, 1982, 1984)} |