Manganese occurrence · Lake County, California
| State | California |
| County | Lake |
| Coordinates | 38.78599, -122.43551 |
| Tertiary | Manganese |
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10030623 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Hermann Claims | 0.3 mi | Prospect | |
| Rattlesnake | 1.0 mi | Occurrence | |
| Rattlesnake Deposit | 1.0 mi | Occurrence | |
| Smythe Or Herman Prospect | 1.2 mi | Chromium | Occurrence |
| Herman Prospect | 1.3 mi | Chromium | Occurrence |
| Unknown near Hidden Valley Lake, CA | 2.0 mi | Mercury | Occurrence |
| Northern Light | 2.1 mi | Mercury | Unknown |
| Unknown near Hidden Valley Lake, CA | 2.2 mi | Mineral Pigments | Occurrence |
| Unnamed Location near Hidden Valley Lake, CA | 2.2 mi | Stone, Crushed/Broken | Unknown |
| Black Hawk Claim | 2.7 mi | Chromium | Past Producer |
| Black Hawk Claim | 2.8 mi | Chromium | Occurrence |
| Unknown near Hidden Valley Lake, CA | 2.8 mi | Mercury | 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.