Manganese occurrence · Lake County, California
| State | California |
| County | Lake |
| Coordinates | 38.77794, -122.67607 |
| Tertiary | Manganese |
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10030650 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Spring Hill | 0.0 mi | Manganese | Unknown |
| Henrys Pit and Mill | 0.3 mi | Sand and Gravel, Construction | Producer |
| Middletown Pit and Mill | 0.3 mi | Sand and Gravel, Construction | Producer |
| Black Ranch | 0.4 mi | Limestone, Dimension | Occurrence |
| Kims Yard Ii | 0.5 mi | Clay | Producer |
| Herrick Prospect | 0.6 mi | Prospect | |
| Herrick Prospect | 0.7 mi | Prospect | |
| Putah Creek Plant | 0.7 mi | Sand and Gravel, Construction | Producer |
| Harp and Sons Ranch Deposits. | 0.8 mi | Chromium | Occurrence |
| Copper Prince | 0.9 mi | Copper | Past Producer |
| Harp and Sons Ranch Deposits | 1.0 mi | Past Producer | |
| Copper Prince Mine | 1.0 mi | Copper | Unknown |
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.