Bentonite occurrence · San Bernardino County, California
| State | California |
| County | San Bernardino |
| Coordinates | 34.86668, -116.98420 |
| Primary | Bentonite |
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10023752 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Unnamed Gravel Pit near Barstow, CA | 0.8 mi | Sand and Gravel, Construction | Past Producer |
| B.l. Yeager Construction Co. Pit | 1.1 mi | Sand and Gravel, Construction | Past Producer |
| Barstow | 1.2 mi | Construction Sand and Gravel | Abandoned |
| Barstow Pit | 1.2 mi | Sand and Gravel, Construction | Past Producer |
| Barstow Pit | 1.2 mi | Sand and Gravel, Construction | Producer |
| Barstow Pit | 1.3 mi | Sand and Gravel, Construction | Past Producer |
| Grottoes Clay Prospect | 1.5 mi | Bentonite | Occurrence |
| Calico Quarries and Mill | 1.6 mi | Stone, Crushed/Broken | Past Producer |
| Hgm Nebo | 2.4 mi | Construction Sand and Gravel | Abandoned |
| Unnamed Pit near Barstow, CA | 2.4 mi | Sand and Gravel, Construction | Past Producer |
| Birdseye Granite Quarry | 2.6 mi | Granite | Past Producer |
| Grotto & Lone Adit Bentonite | 2.6 mi | Bentonite | Occurrence |
This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.