Mines and quarries in Gallatin County, MT
14 mines not abandoned in Gallatin County, MT, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| Belgrade Pit Knife River | 2400462 | Sand and gravel | Jun 18, 2020 |
| Gallatin Gravel Gallatin Gravel LLC | 2402783 | Sand and gravel | Nov 12, 2024 |
| Logan Screen Gallatin County | 2402649 | Stone | Feb 4, 2026 |
| PORTABLE CRUSHER Gallatin County | 2401494 | Sand and gravel | Aug 17, 2015 |
| Sappington Mill Magris Talc USA, Inc. | 2402050 | Nonmetal | Oct 12, 1994 |
| Three Forks Mill Magris Talc USA Inc. | 2400162 | Nonmetal | May 15, 1974 |
| TMC Crusher TMC Inc | 2402066 | Sand and gravel | Dec 18, 2023 |
| TMC Inc. | 2402360 | Sand and gravel | Sep 12, 2016 |
| TMC Track Jaw TMC Inc. | 2402729 | Sand and gravel | Sep 20, 2024 |
| TMC Track Screen TMC Inc | 2402555 | Sand and gravel | Nov 8, 2023 |
| Trident Plant & Quarry GCC Trident LLC | 2400014 | Stone | Feb 15, 1973 |
| TW-003 TMC Inc | 2402766 | Sand and gravel | Jan 27, 2022 |
| Valley Pit E&H Asphalt | 2402817 | Sand and gravel | May 22, 2025 |
| Wash Plant Kenyon Noble Ready Mix | 2402016 | Sand and gravel | Apr 10, 2026 |
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.