Maine Geological Survey, Open-File Map 06-1.
Maine Geological Survey
Androscoggin County; Cumberland County; Oxford County; Sagadahoc County; York County
Surficial Geology Maps (scale 1:100,000)
Tolman, Susan S. (compiler), 2006, Surficial geology of the Portland 1:100,000 quadrangle, Maine: Maine Geological Survey, Open-File Map 06-1, map, scale 1:100,000. Maine Geological Survey Maps. 1508. http://digitalmaine.com/mgs_maps/1508
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