Location
| State | California |
| County | Lake |
| Coordinates | 39.20017, -122.91968 |
Commodities
| Primary | Stone, Crushed/Broken |
Mine Details
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10188376 |
Nearest Recorded Sites
| Site | Distance | Commodity | Status |
|---|
| Unknown near Upper Lake, CA | 0.3 mi | Stone, Crushed/Broken | Occurrence |
| Unknown near Upper Lake, CA | 0.7 mi | Gold, Silver | Occurrence |
| Lowdermilk Pit and Mill | 1.2 mi | Sand and Gravel, Construction | Producer |
| Middle Creek Terrace | 1.5 mi | Sand and Gravel, Construction | Producer |
| Middle Creek Bar | 1.7 mi | Sand and Gravel, Construction | Producer |
| Middle Creek Facility | 2.7 mi | Sand, Industrial NEC | Abandoned |
| Middle Creek Pit and Mill | 3.0 mi | Sand and Gravel, Construction | Producer |
| Robinson Ranch Quarry | 3.4 mi | Stone, Crushed/Broken | Producer |
| Middle Creek Bar | 3.5 mi | Sand and Gravel, Construction | Producer |
| Unknown near Upper Lake, CA | 3.6 mi | Stone, Crushed/Broken | Occurrence |
| Unnamed Location near Upper Lake, CA | 3.6 mi | Stone, Crushed/Broken | Occurrence |
| Witter Springs Mine | 4.0 mi | | Past Producer |
What This Means
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.