Maine Geological Survey, Open-File Map 22-4.
Maine Geological Survey
Penobscot County; Somerset County; Waldo County
Surficial Geology Maps (scale 1:24,000)
Spigel, Lindsay J., 2022, Surficial geology of the Unity Pond quadrangle, Maine: Maine Geological Survey, Open-File Map 22-4, map, scale 1:24,000. Maine Geological Survey Maps. 2150. https://digitalmaine.com/mgs_maps/2150
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