McKean County, PA Clays Mines
Clays Mines in McKean County, PA
| Mine |
Owner |
Land Status |
Work Type |
Minerals |
| Frederick L Gregory Pit |
|
Private |
|
Clays |
| Lewis Run Plant & Mine |
|
Private |
|
Clays |
| Lewis Run Plant & Mine |
|
Private |
|
Clays |
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