| Reference | {Deposit:: MINING MAGAZINE 7/73, P. 12-19.}{Deposit:: METALS WEEK-METALS SOURCEBOOK, 9/24/73, ITEM #A4445}{Deposit:: ENGINEERING MINING JOURNAL, 1/72}{Deposit:: BOLDT, JOSEPH R., JR., 1967, THE WINNING OF NICKEL: PRINCETON, NEW JERSEY, D. VAN NOSTRAND CO., INC., P. 74.} |