| Reference | {Deposit:: ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY OF}{Deposit:: MINING AND MINERAL PROCESSING OPERATIONS. FRANCE. MCGRAW}{Deposit:: -HILL, INC., NEW YORK, 1978, P. 288.}{Deposit:: MINING MAGAZINE. FRANCE. SEPTEMBER 1972, P. 297.}{Deposit:: MINING MAGAZINE. FRANCE. AUGUST 1972, PP. 133, 135, 137.} |