Mercury past producer · Lake County, California
| State | California |
| County | Lake |
| Coordinates | 38.82518, -122.33996 |
| Primary | Mercury |
| Status | Past Producer |
| Type | Surface-Underground |
| First Production | 1862 |
| Discovery Year | 1860 |
| Data Source | USGS MRDS |
| Source ID | 10212521 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Knoxville Mine | 0.1 mi | Mercury | Past Producer |
| Prospect Pit | 0.3 mi | Mercury | Occurrence |
| Knoxville Mine | 0.6 mi | Antimony | Occurrence |
| Prospect Pit | 0.9 mi | Mercury | Occurrence |
| Unnamed Prospect near Rumsey, CA | 1.0 mi | Chromium | Occurrence |
| Knoxville District | 1.0 mi | Mercury | Past Producer |
| One-Shot Mining Co. | 1.1 mi | Geothermal | Unknown |
| Mc Laughlin Mine | 1.2 mi | Gold | Plant |
| Unnamed Prospect near Rumsey, CA | 1.4 mi | Chromium | Occurrence |
| McLaughlin Mine | 1.4 mi | Silver, Gold | Producer |
| Juniper Group | 1.4 mi | Copper | Occurrence |
| Juniper Group | 1.5 mi | Occurrence |
This mine is a past producer — it was once operational but is no longer actively mining. Past producer sites may still have environmental impacts including disturbed land, tailings piles, and potential water quality effects. Some past producer sites have been reclaimed, while others remain as-is. Check with your state mining or environmental agency for current site conditions.