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Maine Geological Survey, Open-File Report 90-26
Maine Geological Survey
Bedrock Geology Maps (scale 1:62,500)
Ludman, Allan, 1990, Bedrock geology of the Big Lake 15' quadrangle, Maine: Maine Geological Survey, Open-File Report 90-26, 22 p. report, map, cross section, scale 1:62,500. Maine Geological Survey Maps. 206. http://digitalmaine.com/mgs_maps/206
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