Duncan
Past ProducerSand and Gravel, ConstructionUSGS MRDS
Location
| State | California |
| County | San Mateo |
| Coordinates | 37.48074, -122.45133 |
Commodities
| Primary | Sand and Gravel, Construction |
Mine Details
| Status | Past Producer |
| Deposit Type | Sedimentary |
| Data Source | USGS MRDS |
| Source ID | 10077438 |