El Algarrobo

SURVEY OF WORLD IRON ORE RESOURCES, DEPARTMENT OF ECONOMICAND SOCIAL AFFAIRS: NEW YORK, UNITED NATIONS PUBLICA-TIONS, 1970, P. 329-336.SUTULOV, A., CHILEAN IRON ORE BOOMING; EXPORTS GROW TOJAPAN, EUROPE, N. AMERICA: WORLD MINING, V. 2, NO. 12,1966, P. 8-12.SISSLEMAN, R., CHILE'S FIRST PELLET PLANT INCORPORATES HEATRECOUP SYSTEM AND SELF-FLUXING PELLETS: ENGINEERING ANDMINING JOURNAL, V. 179, NO, 5, 1978, P. 90-93.ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY OFMINING AND MINERAL PROCESSING OPERATIONS: NEW YORK,MCGRAW-HILL, 1978, P. 278.ENGINEERING AND MINING JOURNAL, CHILE: V. 177, NO. 1, 1976,MINING JOURNAL, CHILE: LESS IRON ORE: V. 289, NO. 7420,1977, P. 379.WORLD MINING, CHILE: V. 31, NO. 6, 1978, P. 66.MINING MAGAZINE, CENTRAL AND SOUTH AMERICA: CHILE: V. 140,NO. 1, 1979, P. 55.