Mines and quarries in Platte County, WY
10 mines not abandoned in Platte County, WY, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| Alexander Construction Alexander Construction Company | 4801568 | Sand and gravel | Jul 9, 2026 |
| Collins Quarry Collins Quarry And Construction LLC | 4801918 | Sand and gravel | Aug 19, 2026 |
| Crusher #2 383 Construction LLC | 4801870 | Sand and gravel | Oct 30, 2023 |
| Crusher #3 JTL GROUP,INC. | 4801518 | Sand and gravel | Feb 2, 2026 |
| Crusher 1 Croell, Inc | 3901487 | Sand and gravel | Jul 27, 2026 |
| Dodge Pit Peak Gravel LLC | 4801903 | Sand and gravel | Sep 26, 2025 |
| Guernsey Quarry Martin Marietta Materials Inc | 4800004 | Stone | May 15, 2012 |
| Sunrise New Sunrise, LLC | 4801764 | Metal | Feb 25, 2025 |
| Wash Plant 3 Croell, Inc. | 4801553 | Sand and gravel | May 7, 2026 |
| Wyoming SiO2 Plant Wyoming Sand Company LLC | 4801863 | Sand and gravel | Sep 28, 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.