Mine · Marathon County, Wisconsin, United States
3M - Greystone Plant
3M - Greystone Plant is a mine in Marathon County, Wisconsin, United States, owned by Minnesota Mining & Manufacturing Company.
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 | Marathon County | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Status | Operating (intermittent) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Commodities | crushed granite (mainly crushed granite) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Owner | Minnesota Mining & Manufacturing Company (controls the operator) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | 3M Company | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 96 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 | 45.0556, -89.6811 | 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
Minnesota Mining & Manufacturing Company owns 4 of the 2,675 mines in the United States in our data with a named owner; 99 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% |
| Minnesota Mining & Manufacturing Company | 100th | 4 | 0.15% |
Nearby
Within 50 km of this mine: 1 power plant (946 MW), measured from the coordinates in the facts above.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Weston | Power plant | 946 MW | Operating | 22 km |
Owner, operator and place
More from Minnesota Mining & Manufacturing Company
Other mines in Wisconsin
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.