| Reference | {Deposit:: MINING ANALYSIS SYSTEM ECONOMIC PLANNING RTZ, 1975, P. 269.}{Deposit:: ENGINEERING AND MINING JOURNAL, DECEMBER 1972, P. 68.}{Deposit:: 1978 ENGINEERING MINING JOURNAL INTERNATIONAL DIRECTORY OF}{Deposit:: MINING AND MINERAL PROCESSING OPERATIONS, NEW YORK, MCGRAW}{Deposit:: -HILL, 1978, 316 P.} |