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Found 2 results for "coal screening"
212114
Surface Coal Mining
NAICS code 212114 covers establishments primarily engaged in the surface mining of coal, including bituminous coal, lignite, and anthracite. This sect...
surface coal mining
bituminous coal
lignite
anthracite
coal beneficiation
212115
Underground Coal Mining
NAICS code 212115 covers establishments primarily engaged in underground mining of bituminous and anthracite coal. This sector includes operations tha...
underground coal mining
bituminous coal
anthracite coal
mine site development
coal beneficiation