| Lat / long: | 42.38027, -71.06556 |
| Primary: | Gypsum-Anhydrite |
| Operation type: | Processing Plant |
| Development status: | Past Producer |
| MAS | 250259912 |
| DEP | 10121078 |
| Reference | {Deposit:: POR IS CHARLESTOWN MA}{Deposit:: MSHA LIST 11/23/79, STATUS=CLOSED AS OF 11/07/78}{Deposit:: NOT ON 1980 OR 1981 MSHA LISTS}{Deposit:: CMS LIST 10/81 (#1900196), NOT ON RCF LIST 10/81} |
| Reporter | Eastern Field Operations Center (EFOC) |