Mine · Oxford County, Maine, United States
Crooker Mine
Crooker Mine is a mine in Oxford County, Maine, United States, operated by Coromoto Minerals 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 | Oxford 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 | gemstones (mainly gemstones) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | Coromoto Minerals LLC | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 4 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 | 44.5494, -70.7081 | 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
Coromoto Minerals LLC operates 2 of the 2,675 mines in the United States in our data with a named owner; 200 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% |
| Coromoto Minerals LLC | 201st | 2 | <0.1% |
Operator and place
More from Coromoto Minerals LLC
- Mount Micamine
Other mines in Maine
Data on this page
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.