Construction Sand and Gravel abandoned · San Bernardino County, California
| State | California |
| County | San Bernardino |
| Nearest Town | Barstow |
| Coordinates | 34.90083, -116.95278 |
| Primary | Construction Sand and Gravel |
| Status | Abandoned |
| Type | Surface |
| Operator | HMRS L.L.C |
| Data Source | MSHA |
| Source ID | 0405986 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Gold-Lilac-Bark Quarry | 0.1 mi | Stone, Crushed/Broken | Past Producer |
| Unnamed Prospect near Barstow, CA | 0.5 mi | Pumice | Prospect |
| Unnamed Prospect near Barstow, CA | 0.5 mi | Pumice | Prospect |
| Grotto & Lone Adit Bentonite | 0.6 mi | Bentonite | Occurrence |
| Unnamed Prospect near Barstow, CA | 0.7 mi | Pumice | Prospect |
| Unnamed Prospect near Barstow, CA | 0.7 mi | Barium-Barite | Prospect |
| Unnamed Borrow Pit near Yermo, CA | 1.0 mi | Sand and Gravel, Construction | Prospect |
| Big Medicine | 1.0 mi | Barium-Barite | Prospect |
| Barstow Bentonite Mine | 1.1 mi | Bentonite | Past Producer |
| Piper Group | 1.3 mi | Gold | Unknown |
| Hope | 1.4 mi | Barium-Barite | Prospect |
| Grottoes Clay Prospect | 1.5 mi | Bentonite | Occurrence |
This mine is listed as abandoned or sealed in federal records. Abandoned mines can pose safety and environmental risks, including unstable ground, toxic gas accumulation, flooded shafts, and potential groundwater contamination from heavy metals or acid mine drainage. Never enter an abandoned mine. If you live near this site, consider checking with your state environmental agency about any ongoing remediation or monitoring programs.