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Montana's regulators have approved a major expansion of an existing coal mine owned by the Westmoreland Coal Co., extending the life of the eight-year Rosebud mine.
Expansion of "Zone F" expands Rosebud area in south-central Montana by 6,700 acres and will result in 70.8 million tonnes of additional coal, as determined by the Quality Department of Rosebud. environment of 18 April. The approval was not a surprise.
About half of the coal in the F …
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