Mine · Garrett County, Maryland, United States
Casselman Mine
Casselman Mine is a mine in Garrett County, Maryland, United States, operated by Rosebud Mining 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 |
|---|---|---|
| Name in the source | CASSELMAN MINE | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Location | Garrett 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 | coal (mainly coal) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | Rosebud Mining Company | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 340,542 t/year (in 2021) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 270,733 t/year (in 2022) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 456,836 t/year (in 2024) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 273,102 t/year (in 2025) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Production | 360,993 t/year (in 2023) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 57 people (annual average, in 2025) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Mine type | Underground | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Coordinates | 39.6617, -79.2019 | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
Research on this mine and its operator.Who owns it up to the parent company, its permits, resources and offtake, and an introduction to the operator.
Request researchHow its operator compares
Rosebud Mining Company operates 40 of the 2,675 mines in the United States in our data with a named owner; 2 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.
| Operator 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% |
Timeline
Dated facts about this mine from its sources, oldest first.
- Production: 340,542 t/year
- Production: 270,733 t/year
- Production: 360,993 t/year
- Production: 456,836 t/year
- Production: 273,102 t/year
Operator and place
More from Rosebud Mining Company
- Bergholz 7mine
- Carrollton Minemine
- Vail Minemine
- KLM #7mine
- Dohrmanmine
- Ginger Bendmine
- Stautnermine
- Shawmine
Other mines in Maryland
Data on this page
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.