Portland Monson Slate Co
Past ProducerSlate, DimensionUSGS MRDS
Location
| State | Maine |
| County | Piscataquis |
| Coordinates | 45.27856, -69.46160 |
Commodities
| Primary | Slate, Dimension |
Mine Details
| Status | Past Producer |
| Deposit Type | Metamorphic |
| Data Source | USGS MRDS |
| Source ID | 10073655 |