Harmony, CA Manganese Mines
Manganese Mines in Harmony, California
| Mine |
Owner |
Land Status |
Work Type |
Minerals |
| Follet Ranch Prospect |
Mrs Follet |
Private |
|
Manganese |
| Hill Prospect |
|
|
|
Manganese |
| Hill Prospect |
|
Unknown |
|
Manganese |
| Marquart Prospect |
|
|
|
Manganese |
| Marquart Prospect |
J. R Marquart |
|
|
Manganese |
| Mayfield Prospect |
|
|
|
Manganese |
| Mayfield Prospect |
Solon Mayfield |
|
|
Manganese |
| Morro Bay Deposit |
|
|
|
Manganese |
| Ricioli Prospect |
|
|
|
Manganese |
| Unnamed Manganese Occurrence |
|
Unknown |
|
Manganese |
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