Manganese occurrence · Lake County, California
| State | California |
| County | Lake |
| Coordinates | 38.79568, -122.74387 |
| Tertiary | Manganese |
| Status | Occurrence |
| Discovery Year | 1918 |
| Data Source | USGS MRDS |
| Source ID | 10211799 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Cobb Mountain Oyster Rock | 0.1 mi | Occurrence | |
| Cobb Mountain Prospect | 0.3 mi | Prospect | |
| Black Point | 0.8 mi | Prospect | |
| Unnamed Location near Cobb, CA | 1.1 mi | Chromium | Unknown |
| Whispering Pines Prospect | 1.5 mi | Chromium | Occurrence |
| Wispering Pines | 1.7 mi | Chromium | Occurrence |
| Gravel Pit | 1.9 mi | Sand and Gravel, Construction | Unknown |
| Mine | 2.0 mi | Mercury | Occurrence |
| Mine | 2.1 mi | Mercury | Occurrence |
| Flagstaff | 2.3 mi | Mercury | Unknown |
| Eureka | 2.3 mi | Mercury | Past Producer |
| Mohawk | 2.3 mi | Mercury | 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.