Cerro Matoso

OCTOBER 10, 1975: EMPRESA COLOMBIANA DE NIQUEL, LTDA., 1975,MATOSO PROJECT, PRELIMINARY REPORT [SPAN]: ECONIQUEL, PRIVATMMUNICATION, MAP, TABLES, 15 P.CERRO MATOSO AGREEMENT, MINING JOURNAL 6/21/74ANON. "PRODUCTION DECISION MADE ON CERRO MATOSO NICKELDEPOSIT."ANON. 1980. "HANNA," MINING ANNUAL REVIEW-1980, P. 376.ANON. 1980. "NICKEL, " MINING ANNUAL REVIEW-1980, P. 405.ANON. 1979. "COLUMBIA," CATALOG, SURVEY & DIRECTORY NUMBER1979, PP. 137,139.GOMEZ, RICARDO, OGRYZLO, C.T., AND DOR, A.A. 1979. "THECERRO MATOSO NICKEL PROJECT," INTERNATIONAL LATERITESYMPOSIUM PP. 412-458.NICKDATA, INC. A COMPREHENSIVE NICKEL INDUSTRY COSTDATABASE AND COSTING PROGRAM. 1991. ILMAR J. MARTENS,THOMAS F. TORRIES. UNIT 32.CRU - QUARTERLY MARKET SERVICE. NICKEL.APRIL 1991.AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE, 1993,P. 40.INTERNATIONAL LATERITE SYSMPOSIUM, 1979, P 418.