Sheffield, IA Clays Mines
Clays Mines in Sheffield, Iowa
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Sheffield Clay Pit | Sheffield Brick And Tile Co | Unknown | Clays | |
| Unknown | Unknown | Clays |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Sheffield Clay Pit | Sheffield Brick And Tile Co | Unknown | Clays | |
| Unknown | Unknown | Clays |