Mines and quarries in Coos County, OR
11 mines not abandoned in Coos County, OR, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| Baker Creek Trade West Construction | 3503967 | Stone | Feb 26, 2026 |
| COOS COUNTY PORTABLE Coos County Road Department | 3500893 | Stone | Oct 1, 2024 |
| GMA Garnet (USA) Corp | 3503896 | Nonmetal | Oct 1, 2020 |
| Kincheloe Quarry Kincheloe & Sons Inc | 3501003 | Stone | Oct 1, 2024 |
| Main Quarry Main Rock Products Inc | 3502646 | Stone | Oct 1, 2021 |
| Mobile Crusher #4 Knife River Materials | 3503590 | Sand and gravel | Feb 26, 2026 |
| Plant #2 Charlie Yates Ranching Inc. | 3503881 | Stone | Aug 28, 2026 |
| Plant #3 Hoover Excavating & Trucking, Inc. | 3503805 | Stone | Sep 17, 2023 |
| Plant 4 Aggregate Resource Crushing, LLC | 3503834 | Stone | Jan 1, 2025 |
| Portable 2 Merchen & Reed Gravel Co., Inc. | 3503860 | Stone | Apr 1, 2025 |
| Portable No 1 Godfrey & Yeager Excavating Inc | 3503664 | Stone | Jul 1, 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.