Clayton, NJ Mines
Mines in Clayton, New Jersey
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Downer Silica Co | Private | Sand and Gravel | ||
| Grays Ferry Brick Co | Private | Sand and Gravel | ||
| Iona Plant Dredge | Grays Ferry Brick Co. | Private | Sand and Gravel |
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