Keystone Quarry & Mill
Past ProducerLimestone, GeneralUSGS MRDS
Location
| State | Pennsylvania |
| County | Northampton |
| Coordinates | 40.71307, -75.40794 |
Commodities
| Primary | Limestone, General |
Mine Details
| Status | Past Producer |
| Deposit Type | Sedimentary |
| Data Source | USGS MRDS |
| Source ID | 10075577 |