| Reference | {Deposit:: NATIONAL MATERIALS ADVISORY BOARD, 1981, MANGANESE RESERVES AND RESOURCES OF THE WORLD AND THEIR INDUSTRIAL IMPLICATIONS: NMAB-374, NATIONAL ACADEMY OF SCIENCES, WASHINGTON DC, P. 123-125. (C18,RR1,L11,G12,C8)}{Deposit:: WORLD MINING DIRECTORY, 1979. (PA1-PA8)} |