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    The NCC was tasked with exploiting coal resources, and held a monopoly on coal and coke mining, production, and sales until 1999. Production problems and decline of coal [ edit ] Nigeria's coal industry suffered a blow in the 1950s when oil was discovered.

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    The NCC was tasked with exploiting coal resources, and held a monopoly on coal and coke mining, production, and sales until 1999. Production problems and decline of coal [ edit ] Nigeria's coal industry suffered a blow in the 1950s when oil was discovered.

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