Parrett Mine
California
Unconfirmed Gold
Documented adit evidence
Gallium underground mines
Catalog records where USGS source data lists Gallium among mined commodities. Reported minerals on a mine page are tracked separately and are not the same as commodities.
- Underground mine records
- 2
- Independently verified
- 0
Representative records
San Juan Mine
Arizona
Unconfirmed Zinc
Documented adit evidence