Official definition

This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) surface mining of bituminous coal, lignite, and anthracite coal; (2) developing bituminous coal, lignite, and anthracite coal surface mine sites; (3) surface mining and beneficiating (e.g., cleaning, washing, screening, and sizing) of bituminous coal, lignite, and anthracite coal; or (4) beneficiating (e.g., cleaning, washing, screening, and sizing), but not mining, bituminous coal, lignite, and anthracite coal. Cross-References. Establishments primarily engaged in--