Mines and quarries in Yellowstone County, MT
14 mines not abandoned in Yellowstone County, MT, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| Billings Pit Knife River Billings | 2400478 | Sand and gravel | Nov 12, 2024 |
| Clarks Fork Quarry Huppert Brothers Construction Inc. | 2402765 | Stone | May 16, 2025 |
| Croell Portable #1 Croell, Inc. | 2402569 | Sand and gravel | Mar 16, 2026 |
| Crusher Plant #1 Yellowstone County Road Department | 2402536 | Sand and gravel | Sep 28, 2026 |
| Fisher Industries Plant 15 Fisher Sand & Gravel Company | 3901303 | Sand and gravel | May 2, 2023 |
| JTL Portable Crusher #3 Knife River Billings | 2402414 | Sand and gravel | Jan 24, 2023 |
| Metso HP 200 Matriarch Construction, Inc. | 2402646 | Sand and gravel | Sep 22, 2026 |
| Millennium Materials Millennium Construction & Consulting, Inc. | 2402708 | Sand and gravel | Feb 10, 2025 |
| Portable #4 Knife River Billings | 2402047 | Sand and gravel | Nov 7, 2025 |
| Tract 2 Site Aggregate Resources, Inc. | 2402787 | Sand and gravel | Jul 28, 2025 |
| Wash Plant Knife River Billings | 2400459 | Sand and gravel | May 13, 2025 |
| West Crusher #7 Croell, Inc. | 4801511 | Sand and gravel | Sep 14, 2026 |
| West Wash Plant #12 Croell, Inc. | 2402356 | Sand and gravel | Apr 1, 2026 |
| Worden Gravel Pit Midwest Materials | 2402828 | Sand and gravel | Mar 9, 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.