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Maine Geological Survey, Open-File Map 07-6.
Maine Geological Survey
Significant Sand and Gravel Aquifer Maps (scale 1:24,000)
Locke, Daniel B. and Neil, Craig D., 2007, Significant sand and gravel aquifers in the Penobscot quadrangle, Maine: Maine Geological Survey, Open-File Map 07-6, map, scale 1:24,000. Maine Geological Survey Maps. 1692. http://digitalmaine.com/mgs_maps/1692
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