Humboldt County, CA Silica Mines
Silica Mines in Humboldt County, CA
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Fort Seward Mine | Fort Seward Ranch | Private | Silica | |
| Salyer Pit & Mill | National Forest | Silica |
Humboldt County, CA Silica Mines
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