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Maine Geological Survey, Open-File Map 03-90.
Maine Geological Survey
Bedrock Geology Maps (scale 1:24,000)
Hussey, Arthur M., II, 2003, Bedrock geology of the Portland East quadrangle, Maine: Maine Geological Survey, Open-File Map 03-90, 12 p. report, 21 figures, 1 plate, photographs, color map, cross section, scale 1:24,000. Maine Geological Survey Maps. 33. http://digitalmaine.com/mgs_maps/33
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