Maps, Data, Publications, and Resources
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Preliminary bedrock geologic map of the Westford quadrangle, Massachusetts. Open-File Report (2009).
Progress map of the preliminary bedrock geologic map of the Billerica quadrangle, Massachusetts. (2011).
Progress report of bedrock geologic mapping of the Lowell quadrangle, Massachusetts. Progress Map (2010).
Well Inventory of the Westford quadrangle, Massachusetts. Well Inventory (2009).