Maine Geological Survey, Open-File Map 20-23.
Maine Geological Survey
Androscoggin County; Cumberland County
Bedrock Geology Maps (scale 1:24,000)
Whittaker, Amber T.H., 2020, Bedrock geology of the North Pownal quadrangle, Maine: Maine Geological Survey, Open-File Map 20-23, color map, scale 1:24,000. Maine Geological Survey Maps. 2136. https://digitalmaine.com/mgs_maps/2136
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