Mine · Uinta County, Wyoming, United States
Westmoreland Haystack Mining LLC
Westmoreland Haystack Mining LLC is a closed mine in Uinta County, Wyoming, United States, owned by Westmoreland Mining Holdings 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 | Uinta County | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Status | Closed (abandoned) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Commodities | coal (mainly coal) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Owner | Westmoreland Mining Holdings LLC (controls the operator) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | Westmoreland Haystack Mining LLC | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Mine type | Surface | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Coordinates | 41.4131, -110.6797 | 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
Westmoreland Mining Holdings LLC owns 6 of the 2,675 mines in the United States in our data with a named owner; 54 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% |
| Westmoreland Mining Holdings LLC | 55th | 6 | 0.22% |
Nearby
Within 50 km of this mine: 198 water rights and 2 power plants (1 operating, 707 MW), measured from the coordinates in the facts above. The table shows the nearest 5, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Kemmerer Unit 1 | Power plant | 500 MW | Planned | 34 km |
| Murphy Hollow Creek water right 23-963 | Water right | — | — | 35 km |
| China Lake water right 41-1559 | Water right | — | — | 35 km |
| Murphy Hollow Creek water right 23-1805 | Water right | — | — | 36 km |
| Naughton | Power plant | 707 MW | Operating | 39 km |
Owner, operator and place
More from Westmoreland Mining Holdings LLC
Other mines in Wyoming
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.
- Utah Division of Water Rights points of diversion. Utah Division of Water Rights points of diversion, Restricted.