Mines and quarries in Big Horn County, WY
19 mines not abandoned in Big Horn County, WY, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| 3J Crushing Plant 3J Trucking LLC | 4801869 | Sand and gravel | Oct 26, 2023 |
| Bairco Mobile Crusher Bairco Construction Inc. | 4801882 | Sand and gravel | Jul 14, 2026 |
| Big Horn Basin Mines Wyo-Ben, Inc | 4800974 | Nonmetal | Mar 24, 1997 |
| BPM Lovell Mill Bentonite Performance Minerals LLC | 4801405 | Nonmetal | Sep 28, 1994 |
| BPM Lovell Mine Bentonite Performance Minerals LLC | 4801016 | Nonmetal | May 4, 2009 |
| Capwood Properties River Rock, LLC | 4801825 | Sand and gravel | Jul 28, 2026 |
| Crusher #1 Frost Rock Products Company | 4801681 | Sand and gravel | Jan 21, 2026 |
| Crusher #2 Frost Rock Products Company | 4801302 | Sand and gravel | Aug 19, 2026 |
| G-P Gypsum Quarries Georgia-Pacific Gypsum LLC | 4801019 | Nonmetal | Mar 7, 2016 |
| GK Gravel Pit GK Construction Inc. | 4801788 | Sand and gravel | Jun 15, 2026 |
| Highland Excavation Pit Highland Excavation & Construction, Inc. | 4801874 | Sand and gravel | Jun 12, 2026 |
| Lovell Mill American Colloid Company | 4800057 | Nonmetal | Mar 7, 2016 |
| Magnet Cove Mill Wyo-Ben, Inc | 4800602 | Nonmetal | Jul 4, 1976 |
| Magnet Cove Mine Wyo-Ben, Inc | 4800603 | Nonmetal | Jul 6, 1984 |
| MOLNAR PIT BIG HORN REDI MIX, INC. | 4801892 | Sand and gravel | Sep 14, 2026 |
| Portable #1 Mountain Construction Company | 4801636 | Sand and gravel | May 13, 2026 |
| Sage Creek Mill Wyo-Ben, Inc | 4800612 | Nonmetal | Oct 5, 1982 |
| Stucco Mill Wyo-Ben, Inc | 4800611 | Nonmetal | Feb 5, 1979 |
| Yellowtail Mine American Colloid Company | 4800607 | Nonmetal | Mar 7, 2016 |
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.