Le Nickel S.A. Mines Thio, Kouaoua, Poro, New Caledonia

SKINNER, W. R., 1975, MINING INTERNATIONAL YEARBOOK: LONDON, P. 411ENGINEERING MINING JOURNAL, 1975, 1975 E/MJ INTERNATIONAL DIRECTORY OF MINING AND MINERAL PROCESSING OPERATIONS: NEW YORK, P. 251CORRICK, JOHN D., 1975, NICKEL - A CHAPTER FROM MINERAL FACTS AND PROBLEMS, 1975 EDITION: U.S. BUREAU OF MINES, P. 2