| 213114 |
Prospect and test drilling services for metal mining on contract basis |
| 213114 |
Pumping or draining metal mines on a contract basis |
| 213114 |
Removal of overburden for metal mining on a contract basis |
| 213114 |
Shaft sinking for metal mines on a contract basis |
| 213114 |
Sinking shafts for metal mining on a contract basis |
| 213114 |
Stripping overburden services for metal mining on a contract basis |
| 213114 |
Test drilling for metal mining on a contract basis |
| 213115 |
Blasting services, nonmetallic minerals mining (except fuels) on a contract basis |
| 213115 |
Boring test holes for nonmetallic minerals mining (except fuels) on a contract basis |
| 213115 |
Draining or pumping of nonmetallic mineral mines (except fuels) on a contract basis |