| Location: | Sonoma County, California, United States, North America |
| Lat / long: | 38.67432, -123.00997 |
| dep_id: | 10109395 |
| mrds_id: | M020241 |
| Commodity type: | metallic |
| Major mineral: | Manganese |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Producer |
| ore: | Psilomelane, Pyrolusite |
| Reporter: | Killman, K.; Albers, J., Mosier, Dan, Oland, G. P. (Orris, Greta J.), Mason, George |
| hrock_type: | Shale,Chert |
| References: |
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