Maps, Data, Publications, and Resources
The bedrock geology of Massachusetts. U.S. Geological Survey Professional Paper 1366, (United States Geological Survey, 1988).
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.