Gray, ME Clays Mines
Clays Mines in Gray, Maine
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Clay Mine | Royal River Brick Co., Inc. | Municipality | Clays | |
| Goodrich and Sons Brick Co | Private | Clays | ||
| North Yarmouth Pit | Richard J. Hossman | Private | Clays | |
| Royal River Brick Co Inc | Private | Clays |