Hardin, MT Clays Mines
Clays Mines in Hardin, Montana
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Bentonite Occurrence | Clays | |||
| Bentonite Occurrence | Clays | |||
| Clay and Shale Occurrences | Clays | |||
| Hardin Bentonite | Unknown | Clays | ||
| Unnamed Bentonite | Clays | |||
| Unnamed Bentonite | Unknown | Clays | ||
| Unnamed Bentonite | Unknown | Clays | ||
| Unnamed Bentonite | Unknown | Clays | ||
| Unnamed Bentonite Occurrence | Clays |