Mine · Monroe County, Wisconsin, United States
Tunnel City
Tunnel City is a mine in Monroe County, Wisconsin, United States, owned by Iron Oak Energy Solutions LLC.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Monroe County | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Status | Operating (active) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Commodities | sand and gravel (mainly sand and gravel) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Owner | Iron Oak Energy Solutions LLC (controls the operator) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | Iron Oak Sand LLC | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 70 people (annual average, in 2025) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Mine type | Surface | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Coordinates | 44.0083, -90.5669 | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
Research on this mine and its owner.Who owns it up to the parent company, its permits, resources and offtake, and an introduction to the owner.
Request researchHow its owner compares
Iron Oak Energy Solutions LLC owns 18 of the 2,675 mines in the United States in our data with a named owner; 12 owners have more. Counts cover the mines in our data that name an owner, holder or operator; an asset with several owners counts for each.
| Owner in United States | Rank | Mines | Share |
|---|---|---|---|
| Alpha Metallurgical Resources Inc | 1st | 56 | 2.1% |
| Sev.en Global Investments a.s. | 2nd | 50 | 1.9% |
| Rosebud Mining Company | 3rd | 40 | 1.5% |
| Martin Marietta Materials Inc | 4th | 29 | 1.1% |
| Metinvest B V | 4th | 29 | 1.1% |
| Iron Oak Energy Solutions LLC | 13th | 18 | 0.67% |
Owner, operator and place
More from Iron Oak Energy Solutions LLC
- Wedron Plantmine
- Oakwoodmine
- Big Oak Plantmine
- Kermit Sandmine
- Atascosamine
- Vest Plantmine
- El Dorado Plantmine
- Dimmit Minemine
Other mines in Wisconsin
Data on this page
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.