Martha Prospect
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| Site Name : | Martha Prospect |
| State : | California |
| County : | San Bernardino |
| Latitude : | 34.70641 |
| Longitude : | -116.84897 |
| Year Discovered : | |
| Years in Production : | |
| Operation Type : | Surface-Underground |
| Deposit Type : | |
| Production Size : | |
| Development Status : | Prospect |
| Primary Commodities : | Gold |
| Secondary Commodities : | |
| Other Commodities : | Silver, Copper, Lead, Molybdenum, Zinc |