| Corresponding Index Entries | - Bituminous coal or anthracite underground mine site development for own account
- Bituminous coal or anthracite underground mining
- Coal, bituminous or anthracite, underground mining
- Hard coal (i.e., anthracite) underground mining
- Semianthracite underground mining
- Semibituminous coal underground mining
- Subbituminous coal underground mining
| 2022 NAICS US Corresponding Index Entries |