This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) underground mining of bituminous coal; (2) developing bituminous coal underground mine sites; and (3) underground mining and beneficiating of bituminous coal (e.g., cleaning, washing, screening, and sizing coal).

• Bituminous coal underground mine site development for own account
• Bituminous coal underground mining or mining and beneficiating
• Coal, bituminous, underground mining or mining and beneficiating
• Semianthracite underground mining or mining and beneficiating
• Semibituminous coal underground mining or mining and beneficiating
• Subbituminous coal underground mining or mining and beneficiating