Mine · Mariposa County, California, United States
Blue Moon Underground Mine
Blue Moon Underground Mine is a mine in Mariposa County, California, United States, operated by Small Mine Development.
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 | Mariposa 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 | zinc (mainly zinc) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | Small Mine Development | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 12 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 | 37.5661, -120.2558 | 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
Small Mine Development 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% |
| Small Mine Development | 201st | 2 | <0.1% |
Nearby
Within 50 km of this mine: 42 water rights (32 active), measured from the coordinates in the facts above. The table shows the nearest 3.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Merced River power right A001221 | Water right | 868,773 acre-ft/year | Active | 2.5 km |
| Merced River power right A001222 | Water right | 491,080 acre-ft/year | Active | 2.5 km |
| Merced River power right A016187 | Water right | 1,861,825 acre-ft/year | Active | 2.5 km |
Operator and place
More from Small Mine Development
- Rosebudmine
Other mines in California
Data on this page
- eWRIMS Water Rights List. eWRIMS Water Rights List, Public domain.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.