Columbia, CT Mines
Mines in Columbia, Connecticut
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Columbia Town Pit | Town Of Columbia Highway Department | Private | Sand and Gravel | |
| Gneiss Rock Quarry No. Bj-006 | Stone | |||
| Gneiss Rock Quarry No. Bj-007 | Stone | |||
| Gneiss Rock Quarry No. Bj-008 | Stone | |||
| Granodiorite Gneiss Rock Quarry No. Bj-004 | Stone | |||
| Granodiorite Gneiss Rock Quarry No. Bj-005 | Stone | |||
| Quarry | Private | Stone, Dimension | ||
| Quarry | Private | Stone, Dimension | ||
| Quarry | Private | Stone, Dimension | ||
| Quarry | Private | Stone, Dimension |
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