| 212319 |
Onyx marble crushed and broken stone mining and/or beneficiating |
| 212319 |
Quartzite crushed and broken stone mining and/or beneficiating |
| 212319 |
Riprap (except granite, limestone) preparation plants |
| 212319 |
Riprap (except limestone and granite) mining or quarrying |
| 212319 |
Sandstone crushed and broken stone mining |
| 212319 |
Schist, mica, crushed and broken stone, mining and/or beneficiating |
| 212319 |
Serpentine crushed and broken stone mining and/or beneficiating |
| 212319 |
Slate crushed and broken stone mining and/or beneficiating |
| 212319 |
Stone (except limestone and granite) beneficiating plants (e.g., grinding) |
| 212319 |
Stone, crushed and broken (except granite or limestone), mining and/or beneficiating |