Maine Geological Survey, Open-File Map 22-18.
Maine Geological Survey
Bedrock Geology Maps (scale 1:24,000)
Koteas, Christopher, 2022, Bedrock geology of the Puzzle Mountain quadrangle, Maine: Maine Geological Survey, Open-File Map 22-18, scale 1:24,000. Maine Geological Survey Maps. 2162. https://digitalmaine.com/mgs_maps/2162
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