| 212290 |
Titaniferous-magnetite ores, valued chiefly for titanium content, mining and/or beneficiating |
| 212290 |
Titanium concentrates beneficiating |
| 212290 |
Titanium ores mining and/or beneficiating |
| 212290 |
Tungsten concentrates beneficiating |
| 212290 |
Tungsten ores mining and/or beneficiating |
| 212290 |
Tyuyamunite mining and/or beneficiating |
| 212290 |
Uraninite (pitchblende) mining and/or beneficiating |
| 212290 |
Uranium ores mining and/or beneficiating |
| 212290 |
Uranium-radium-vanadium ore mine site development for own account |
| 212290 |
Uranium-radium-vanadium ores mining and/or beneficiating |