Reference | {Deposit:: MINING JOURNAL, 1968, IMPALA MAKES ITS BOW: MIN. JOUR. V.271, P.358}{Deposit:: MINING JOURNAL, 1970, IMPALA, V.274, P.243}{Deposit:: MINING MAGAZINE, JANUARY, 1987, P. 62.}{Deposit:: DEYOUNG AND OTHERS, 1985, INTERNATIONAL STRATEGIC MINERALS INVENTORY SUMMARY REPORT-- NICKEL: U.S. GEOLOGICAL SURVEY CIRCULAR 930-D, 62 P.} |