| Lat / long: | 42.99998, -71.21613 |
| Primary: | Tantalum, Feldspar, Niobium (Columbium) |
| Ore: | Columbite, Tantalite |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| MRDS | D001873 |
| DEP | 10009166 |
| Reference | OLSON, J. C., 1950, FELDSPAR AND ASSOCIATED PEGMATITE MINERALS IN NEW HAMPSHIRE, NEW HAMPSHIRE STATE PLANNING AND DEVELOPMENT COMM. MINERAL RESOURCES SURVEY, PT. 2 |
| Reporter | Parker, Raymond L. |