| Reference | {Deposit:: MASTERS, KEITH, 1975, EXPLORATION UND BERGBAU UNTER PERMAFROST - BEDINGUNGEN AUF DER. BLACK ANGEL - GRUBE, MARMORILIK/GRONLAND; ERZMETALL V. 28 NO. 3 P. 93 - 98}{Deposit:: MINING MAGAZINE, JANUALRY, 1987, P. 61.}{Deposit:: MINING MAGAZINE, JANUARY, 1989, P. 48.}{Production:: AMERICAN METAL MARKET 4-14-77, P. 6}{Reserve-Resource:: ENGINEERING/MINING JOUR. 4-76 P. 172} |