Reference | {Deposit:: ANDREWS, R.W., 1962, COBALT: OVERSEAS GEOLOGICAL SURVEYS, MINERAL RESOURCES DIVISION, LONDON, HER MAJEST* STATIONERY OFFICE, P. 162}{Deposit:: BILBREY, JOSEPH H., 1962, COBALT, A MATERIALS SURVEY; U.S. BUR. OF MINES, INF. CIR. 8103, P. 35} |