|
Canada | |
| Martin, R F, Payette, C (1988) The Welsford Anorogenic Igneous Complex, southern New Brunswick: Rift-Related Acadian Magmatism. Geological Survey of Canada, Open File Issue: 1727 |
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USA | |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |
| Morrill & Hinckley, 1959. Maine Mines & Mineral Localities, Vol. 2. |