Reference | {Deposit:: BILBREY, JOSEPH H., 1962, COBALT, A MATERIALS SURVEY: WASHINGTON, U.S. DEPT. OF THE INTERIOR, BUR. OF MINES, P. 30.}{Deposit:: ENG. MINING JOUR., 1973, 1972 E/MJ INTERNATIONAL DIRECTORY OF MINING AND MINERAL PROCESSING OPERATIONS: NEW YORK, MCGRAW-HILL, INC., P. 155} |