| 213115 |
Drilling services for nonmetallic mineral (except fuels) mining on a contract basis |
| 213115 |
Exploration services for nonmetallic minerals (except geophysical surveying and mapping) on a contract basis |
| 213115 |
Mine shaft sinking services for nonmetallic minerals (except fuels) on a contract basis |
| 213115 |
Mine tunneling services for nonmetallic minerals (except fuels) on a contract basis |
| 213115 |
Nonmetallic minerals mine development on a contract basis (except site preparation and related construction activities) |
| 213115 |
Nonmetallic minerals mining support services on a contract basis (e.g., blasting, shaft sinking, tunneling) (except geophysical surveying and mapping, site preparation, construction, and transportation activities) |
| 213115 |
Overburden removal for nonmetallic minerals mining (except fuels) on a contract basis |
| 213115 |
Prospect and test drilling services for nonmetallic mineral mining (except fuels) on a contract basis |
| 213115 |
Pumping or draining nonmetallic mineral mines (except fuel) on a contract basis |
| 213115 |
Removal of overburden for nonmetallic minerals mining (except fuels) on a contract basis |