Bonanza Claim
California
Unconfirmed Chromium
Historical mapped workings available
Palladium underground mines
Catalog records where USGS source data lists Palladium among mined commodities. Reported minerals on a mine page are tracked separately and are not the same as commodities.
- Underground mine records
- 17
- Independently verified
- 0
Representative records
Boss Mine
Nevada
Unconfirmed Copper
Historical mapped workings available
Boss Mine
Nevada
Unconfirmed Gold
Historical mapped workings available
Estrella Mine
California
Unconfirmed Chromium
French Hill Chrome Mine
California
Unconfirmed Chromium
Gibellini Manganese Mine
Nevada
Unconfirmed Manganese
Documented adit evidence
Grey Claim
California
Unconfirmed Chromium
Holston Mine
California
Unconfirmed Chromium
Judy Mine
California
Unconfirmed Chromium
Documented shaft evidence
Key West
Nevada
Unconfirmed Nickel
Documented shaft evidence
Key West Mine
Nevada
Unconfirmed Copper
Documented shaft evidence
Long Ledge No. 3
California
Unconfirmed Chromium
Moore Mine
California
Unconfirmed Chromium
Documented adit evidence
Peg Leg Mine
California
Unconfirmed Chromium
Documented adit evidence
Phoenix Project
Nevada
Unconfirmed Gold
Historical mapped workings available
Seiad Creek
California
Unconfirmed Chromium
Documented adit evidence
Sweetwater Mine
California
Unconfirmed Chromium
Historical mapped workings available