Mines and quarries in Natrona County, WY
19 mines not abandoned in Natrona County, WY, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| Advanced Screenplant 71 Construction | 4801746 | Sand and gravel | Sep 25, 2026 |
| Casper Pit JTL Group, Inc. | 4800715 | Sand and gravel | Apr 9, 2025 |
| Casper Plant Black Hills Bentonite-A Limited Liability Co | 4800243 | Nonmetal | Jul 4, 1976 |
| Cedarapids Screen Mobile Concrete Inc | 4801522 | Sand and gravel | Feb 27, 2026 |
| Crusher #2 JTL GROUP, INC. | 4801363 | Stone | Jun 24, 2025 |
| Crusher #4 JTL GROUP,INC. | 4801569 | Sand and gravel | Apr 20, 2026 |
| Crusher #6 JTL GROUP,INC. | 4801597 | Stone | Apr 26, 2018 |
| Crusher #7 JTL GROUP,INC. | 4801598 | Sand and gravel | Jan 21, 2026 |
| EL JAY Mobile Concrete Inc | 4801516 | Sand and gravel | Jan 19, 2026 |
| First Water Gravel Pit A Moses Family Investments | 4801828 | Sand and gravel | Aug 16, 2025 |
| Fold & Go Screen Mobile Concrete Inc | 4801644 | Sand and gravel | Sep 16, 2026 |
| HT Plant Black Hills Bentonite | 4801539 | Nonmetal | Jul 10, 1997 |
| JCI K200-6203CC Mobile Concrete, Inc. | 4801736 | Sand and gravel | Apr 21, 2026 |
| Mills Plant Black Hills Bentonite | 4800617 | Nonmetal | Oct 26, 1990 |
| Oftedal Crusher #1 Oftedal Construction Inc | 4801290 | Nonmetal | Aug 11, 2025 |
| PORTABLE SCREENING PLANT Mobile Concrete Inc | 4800671 | Sand and gravel | Feb 24, 2026 |
| Screen #3 Brutill Construction, Inc | 4801862 | Sand and gravel | Aug 3, 2026 |
| Tolsa Mines Tolsa Wyoming Bentonite Corp. | 4801660 | Nonmetal | Dec 8, 2021 |
| Tolsa Wyoming Bentonite Plant Tolsa Wyoming Bentonite | 4801751 | Nonmetal | Oct 2, 2025 |
Alphabetical order — this site ranks no one. Mines that are not abandoned in the MSHA file of October 2, 2026. Sole proprietors are found by mine ID only. How to read this.