Mines and quarries in Monroe County, WI
17 mines not abandoned in Monroe County, WI, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| Gerke Plant #1 Gerke Excavating Inc | 4703357 | Stone | Jul 15, 2015 |
| Gerke Plant #22 Gerke Excavating Inc | 4700115 | Stone | Sep 15, 2026 |
| Gerke Plant #24 Gerke Excavating Inc | 4703356 | Sand and gravel | Mar 9, 2026 |
| Gerke Plant #3 Gerke Excavating Inc | 4700144 | Stone | Apr 8, 2013 |
| Gerke Plant #4 Gerke Excavating Inc | 4703447 | Stone | Feb 22, 2021 |
| Gerke Plant #6 Gerke Excavating, Inc. | 4703711 | Stone | Apr 2, 2014 |
| Gerke Plant #7 Gerke Excavating Inc | 4703820 | Stone | Mar 13, 2018 |
| HC Wyeville Mine HC Wyeville Operating LLC | 4703611 | Nonmetal | Jul 11, 2011 |
| Mack Quarry Brooks Excavating LLC | 4703938 | Sand and gravel | Jun 26, 2023 |
| Plant # 21 Gerke Excavating Inc | 4703969 | Sand and gravel | Jan 11, 2025 |
| Plant #32 Milestone Materials Div/Mathy Construction Co | 4702405 | Stone | Oct 12, 2023 |
| Plant #79 Milestone Materials Division of Mathy Construction | 4703610 | Sand and gravel | Jun 22, 2011 |
| Plant 93 Milestone Materials Division of Mathy Construction | 4703723 | Nonmetal | Jun 30, 2017 |
| Smart Sand, Inc. Smart Sand, Inc | 4703625 | Nonmetal | Oct 1, 2012 |
| Sparta Plant Carri Scharf Materials Company | 4703668 | Nonmetal | Oct 28, 2012 |
| Sparta, WI Plant U.S.Silica Energy Company | 4703644 | Nonmetal | Oct 17, 2022 |
| Tunnel City Iron Oak Sand LLC | 4703699 | Sand and gravel | Feb 28, 2014 |
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.