Manganese prospect · Lake County, California
| State | California |
| County | Lake |
| Coordinates | 38.87268, -122.43967 |
| Tertiary | Manganese |
| Status | Prospect |
| Type | Underground |
| Discovery Year | 1918 |
| Data Source | USGS MRDS |
| Source ID | 10114778 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Ebenhauser | 0.2 mi | Occurrence | |
| Ora Hans | 0.2 mi | Occurrence | |
| Unnamed Location near Hidden Valley Lake, CA | 0.2 mi | Manganese | Occurrence |
| Unknown near Hidden Valley Lake, CA | 0.3 mi | Mercury | Occurrence |
| Ora Hans Prospect | 0.3 mi | Occurrence | |
| Unnamed Location near Hidden Valley Lake, CA | 0.7 mi | Mercury | Occurrence |
| Betwixt, E. Z., and Riverside Claims | 0.8 mi | Chromium | Occurrence |
| Unknown near Hidden Valley Lake, CA | 0.8 mi | Mercury | Occurrence |
| McLaughlin Mine | 1.0 mi | Gold Ore | Abandoned |
| Unknown near Hidden Valley Lake, CA | 1.4 mi | Occurrence | |
| Betwixt | 1.5 mi | Chromium | Occurrence |
| Black Powder | 1.6 mi | 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.