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Maine Geological Survey, Geologic Map 22-16.
Maine Geological Survey
Bedrock Geology Maps (scale 1:24,000)
Whittaker, Amber T. H., and Hussey, Arthur M., II, 2022, Bedrock geology of the Lewiston quadrangle, Maine: Maine Geological Survey, Geologic Map 22-16, scale 1:24,000. Maine Geological Survey Maps. 2160. https://digitalmaine.com/mgs_maps/2160
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