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| King, Van (n.d.) Personal communcation. |
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| Gilman, R., 1978, Bedrock Gepology of the Newfield 15' Quadrangle, Maine, ME Geol Surv OF-78-10. |
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| Gilman, R., 1978, Bedrock Gepology of the Newfield 15' Quadrangle, Maine, ME Geol Surv OF-78-10. |
| Vandall King |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |
| Hussey, Arthur M. - The geology of southern York County, Maine (1962) |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |