| Location: | Lancaster County, Pennsylvania, United States, North America |
| Lat / long: | 39.72942, -76.10574 |
| dep_id: | 10201993 |
| mas_id: | 420710009 |
| Commodity type: | metallic and nonmetallic |
| Trace mineral: | Aluminum, Calcium, Chromium, Iron, Magnesite, Silica, Titanium |
| Operation type: | Underground |
| Development status: | Past Producer |
| other_matl: | Antigorite, Brucite, Calcite, Clinochlore, Dolomite, Magnesite, Magnetite, Olivine, Penninite, Uvarovite |
| Reporter: | Harrison |
| Year first produced: | 1828 |
| References: |
- Deposit:: MCINTOSH F MOSIER M USBM R I 4383 PGS 2 3 1948
- Deposit:: LAPHAM D PA GEO SUR PROG REPT 153 PG 1 1958
- Deposit:: PEARRE N ALLEN H PA GEOL SUR I C 14 PG 3 1959
- Deposit:: PEARRE N HEYL A USGS B 1082K PG 719 737 & 775 779 1960
- Deposit:: KNOPF E USGS B 725B P 97 1921
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