| Reference | {Deposit:: HOOD,J.C.,KORPERSHOEK,H.R.PROVING RESERVES AND MINE PLANNING}{Deposit:: OF THE PEBBLE DEPOSITS AT CASSINGA IRON ORE MINES,ANGOLA.}{Deposit:: TRANS. INST.MIN.MET.V.77,JULY 1968.SEC A.PP.89-102.}{Deposit:: UNITED NATIONS. SURVEY OF WORLD IRON ORE RESOURCES.DEPT.}{Deposit:: OF ECON. AND SOC. AFFAIRS, N.Y.,1970,P.68.}{Deposit:: AFRICA GUIDE, 1976. RAND MCNALLY, AFRICA GUIDE CO.,}{Deposit:: ESSEN, ENGLAND. P. 87.}{Deposit:: METALS SOURCEBOOK.MAY 20,1974.ITEM B2800.}{Deposit:: FERRAO,C.N.ET AL.1965.OCCURRENCIAS MINERIAS.ANGOLA SERV.}{Deposit:: GEOL.MINAS.PP.27-28.}{Deposit:: MINING JOURNAL.1965.LOBIT* IRON ORE RESOURCES.APR.23,1965.}{Deposit:: P.311.}{Deposit:: FOREIGN SERVICE DESPATCH A-25.MAY 7,1971.LUANDA.}{Deposit:: METALS SOURCEBOOK.FEB.12,1973.ITEM A1253.} |