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USA | |
| Rocks & Min. Vol. 71, (1996) [[1]]Dale, T.N. (1923) The Commercial Granites of New England, Department of the Interior, United States Geological Survey Bulletin 738, 153-154.. |
| USGS Circular 95 |
| P. Cristofono collection, 2012 |
| Rocks & Min. Vol. 71, (1996) |
| Rocks & Min. Vol. 71, (1996) |
| Morrill & Chaffee, 1957. VT Mines & Mineral Localities |
| Bray and Emery, 1922. Mineralization Along Dikes of Southern Vermont |
| Rocks & Min. Vol. 71, (1996) |