Maps, Data, Publications, and Resources
Preliminary compilation of the bedrock geology of the land area of the Boston 2 degree sheet, Massachusetts, Connecticut, Rhode Island and New Hampshire. USGS Open File Report (1977). at <http://pubs.er.usgs.gov/publication/ofr77285>
An alternative interpretation of the geology of the eastern part of the state.
Preliminary bedrock geologic map of the Orange 7.5' quadrangle, Massachusetts (including portions of the Millers Falls and Athol 7.5' quadrangles). Open File Report (2008).