Mine · Imperial County, California, United States
Plaster City Quarry
Plaster City Quarry is a mine in Imperial County, California, United States, owned by USG Corporation.
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 | PLASTER CITY QUARRY | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Location | Imperial 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 | gypsum (mainly gypsum) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Owner | USG Corporation (controls the operator) | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Operator | United States Gypsum Company | MSHA Mines Data Set · Public domain · checked 24 Oct 2026 |
| Employees | 29 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 | 33.0242, -116.0886 | 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
USG Corporation owns 8 of the 2,675 mines in the United States in our data with a named owner; 39 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% |
| USG Corporation | 40th | 8 | 0.3% |
Nearby
Within 50 km of this mine: 2 power plants and 1 water right, measured from the coordinates in the facts above.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| New River municipal and irrigation right A031431 | Water right | 433,400 acre-ft/year | Planned | 40 km |
| JVR Energy Park LLC | Power plant | 160 MW | Planned | 45 km |
| Kingsley Solar Farm | Power plant | 299 MW | Planned | 46 km |
Owner, operator and place
More from USG Corporation
- Shoals Minemine
- Fort Dodge Quarrymine
- Sperry Minemine
- Alabaster Plantmine
- Southard Mine And Plantmine
- Sweetwater Quarrymine
- Jumbo-Jensen Minemine
Other mines in California
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- eWRIMS Water Rights List. eWRIMS Water Rights List, Public domain.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.