1. Stratigraphy of the Belfast Quadrangle, Maine
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3. Staurolite Zone Caradoc (Middle-Late Ordovician) Age, Old World Province Brachiopods from Penobscot Bay, Maine
4. Geochronologic Contributions to Stratigraphic Interpretation and Correlation in the Penobscot Bay Area, Eastern Maine
5. Brookins D. G. (1982) Geochronologic studies in Maine—Part 1: Preliminary Rb-Sr study of the Casco Bay Group, Maine, Isochron West, No. 34, pp 9–15.