Maps, Data, Publications, and Resources
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Digital conversion of Peck, J.H., 1975, Preliminary bedrock geologic map of the Clinton quadrangle, Worcester County, Mass., U.S. Geological Survey Open File Report 75-658. Digital Conversion (2012).
[Draft] Preliminary bedrock geologic map of the Lawrence quadrangle, Massachusetts. Open-File Report (2005).
[Draft] Preliminary bedrock geologic map of the South Groveland quadrangle, Massachusetts. Open-File Report (2005).
[Draft] Preliminary bedrock geologic map of the Wilmington quadrangle, Massachusetts. Open-File Report (2005).
[Draft]Preliminary bedrock geologic map of the Reading quadrangle, Massachusetts. Open-File Report (2005).