Angel Island Dredge
California
Unconfirmed Sand and Gravel
Sand and Gravel underground mines
Catalog records where USGS source data lists Sand and Gravel among mined commodities. Reported minerals on a mine page are tracked separately and are not the same as commodities.
- Underground mine records
- 11
- Independently verified
- 0
By state
- Arizona · 2
- California · 2
- Nevada · 1
Top counties by record count
- Churchill County, Nevada · 1
- Marin County, California · 1
- La Paz County, Arizona · 1
- Mendocino County, California · 1
- Cochise County, Arizona · 1
Representative records
Buckskin Project
Arizona
Unconfirmed Sand and Gravel
Gravel Pit
Nevada
Unconfirmed Sand and Gravel
High Lonesome Pit & Plant
Arizona
Unconfirmed Sand and Gravel
Redwood Valley Pit and Mill
California
Unconfirmed Sand and Gravel
Gem Mine
Nevada
Unconfirmed Silver
Historical mapped workings available
Juniper
Nevada
Unconfirmed Gold
Historical mapped workings available
Los Osos Mine
California
Unconfirmed Copper
Manhatten Mine
California
Unconfirmed Mercury
Historical mapped workings available
New Party Mine
Nevada
Unconfirmed Gold
Historical mapped workings available
Oriole
Nevada
Unconfirmed Gold
Historical mapped workings available