Apache Manganese
Arizona
Unconfirmed Manganese
Historical mapped workings available
General underground mines
Catalog records where USGS source data lists General among mined commodities. Reported minerals on a mine page are tracked separately and are not the same as commodities.
- Underground mine records
- 9
- Independently verified
- 0
Representative records
Crestmore Mine
California
Unconfirmed Limestone
Grand Gulch Mine
Arizona
Unconfirmed Copper
Documented adit evidence
Lugo Mine
California
Unconfirmed Limestone
Mammoth
Arizona
Unconfirmed Gold
Historical mapped workings available
Meevint Claims
California
Unconfirmed Limestone
Documented adit evidence
Mesa Manganese Prospect
Arizona
Unconfirmed Manganese
Planet Mine
Arizona
Unconfirmed Silica
Historical mapped workings available
Tylerhorse Canyon Deposit
California
Unconfirmed Limestone