North American Industry Classification System code (NAICS): 2121
This industry group comprises establishments primarily engaged in mining bituminous and lignite coal by underground mining, and auger mining, strip mining, culm bank mining and other surface mining. Mining operations and preparation plants (also known as cleaning plants and washeries), whether or not such plants are operated in conjunction with mine sites, are included.
This industry comprises establishments primarily engaged in mining bituminous and lignite coal by underground mining, and auger mining, strip mining,…
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