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October 1, 2011
Source: Engineering & Mining Journal Roca Fosforica Mexicana SA de CV (Rofomex) started up one phosphate mine in Baha California Sur in 1981 and another in 1982. The combined production of these operations were expected to lift Mexico from a position of almost total dependence on phosphate rock imports in 1980 to self-sufficiency in 1985. In...
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