| Reference | {Deposit:: OPERATIONAL NAVIGATION CHART, ONC M-28 SHEET,3RD.ED.,1972,US}{Deposit:: MACIEC,A.C.,CRUZ,P.R.,1973, PERFIL AN. DO URANIO,DNPM,BOL.27}{Deposit:: MME,1973,DNPM, ANUARIO MIN. BRASILEIRO,R.JANEIRO,R.J., BRASI}{Deposit:: MC KELVEY,VE,1967,PHOSPHATE DEPOSITS,USGS,BULL.B1252-D.,USA}{Deposit:: HARRINGTON,ET AL,1966, SOURCES FERTILIZER MIN. SOUTH AM.,USG} |