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Maine Geological Survey, Open-File Map 08-16.
Maine Geological Survey
Surficial Geology Maps (scale 1:24,000)
Thompson, Woodrow B., 2008, Surficial geology of the Portland West quadrangle, Maine: Maine Geological Survey, Open-File Map 08-16, map, scale 1:24,000. Maine Geological Survey Maps. 2019. http://digitalmaine.com/mgs_maps/2019
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