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Mining Of Coal In Nigeria

Coal generated lots of revenue for nigeria between the years 1916 and 1970 when it was one of nigerias major revenue earnersn the south eastern part of the country exploration of the mineral began proper in present day enugu state in 1909, with production at the mines in onyeama, ogbete, iva valley and okpara climbing from 25, 511 tons in 1916 to an estimated 583,422 tons before a.