| Reference | {Deposit:: SKILLINGS, DAVID N., JR., C.A.P* EL ROMERAL MARKING 25TH}{Deposit:: YEAR OF IRON ORE PRODUCTION. ESTIMATED OUTPUT OF}{Deposit:: 3,300,000 L.T. OF COARSE AND FINES IN 1974, SKILLINGS}{Deposit:: MINING REVIEW, AUGUST 11, 1978, PP. 10-14.}{Deposit:: METAL BULLETIN, IRON ORE FIELDS OF THE WORLD - 13, BETHLEHEM}{Deposit:: CHILE, METAL BULLETIN, NO. 4744, NOVEMBER 6, 1962, 4 UNP.}{Deposit:: UNITED NATIONS, SURVEY OF IRON ORE RESOURCES, 1970, P. 334.} |