Unknown
Arizona
Unconfirmed Geothermal
Geothermal underground mines
Catalog records where USGS source data lists Geothermal among mined commodities. Reported minerals on a mine page are tracked separately and are not the same as commodities.
- Underground mine records
- 1
- Independently verified
- 0
By state
- Arizona · 1
Top counties by record count
- Pima County, Arizona · 1