Mines and quarries in Fremont County, CO
19 mines not abandoned in Fremont County, CO, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| Amrize Canon City Quarry Amrize West Central Inc. | 0500073 | Stone | Aug 2, 2012 |
| Amrize Fourmile (J&J Stone Pit #1) Amrize West Central Inc. | 0504983 | Stone | Jul 12, 2023 |
| Amrize Fremont Quarry Amrize West Central Inc. | 0504708 | Stone | Apr 9, 2025 |
| Amrize Phillips (McCloskey 89822) Amrize West Central Inc. | 0505111 | Sand and gravel | Apr 16, 2026 |
| Amrize Portland Plant Amrize Cement Inc. | 0500037 | Stone | Aug 9, 1983 |
| Amrize RP2 (Rock Pit #2) Amrize West Central Inc. | 0505141 | Sand and gravel | Jan 11, 2022 |
| Amrize Table Mountain Quarry Amrize West Central Inc. | 0503748 | Stone | Feb 18, 2026 |
| Kleemann MS15Z-AD Rocky Mountain Landscape Materials, LLC | 0504968 | Sand and gravel | Jun 29, 2020 |
| Langston Concrete Inc. | 0503855 | Sand and gravel | Oct 25, 2017 |
| Penrose Ranch Gravel Pit Martin Marietta Materials Inc. | 0504509 | Sand and gravel | Oct 1, 2016 |
| Portable Langston Concrete Inc | 0504927 | Sand and gravel | Jun 21, 2022 |
| Portable Crusher #6 Oldcastle SW Group, Inc | 0505040 | Sand and gravel | Jan 20, 2021 |
| Portable Screening Plant Kagan & Son LLC | 0504853 | Sand and gravel | Sep 16, 2024 |
| Portable Unit #1 Colorado Quarries Inc | 0504199 | Stone | Jul 22, 2026 |
| Portable Unit Eljay1140 Super Ex., LLC | 0505023 | Sand and gravel | Jul 22, 2026 |
| Portable Unit Extec Super Ex, LLC | 0505061 | Sand and gravel | Apr 16, 2026 |
| Red Canyon Quarry Martin Marietta Materials Inc. | 0504136 | Stone | Nov 19, 2013 |
| Wash Plant 2 Oldcastle SW Group, Inc | 0504999 | Sand and gravel | Feb 23, 2026 |
| Yevoli Cobblestone Pit Yevoli Cobblestone Inc | 0504878 | Sand and gravel | May 19, 2020 |
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.