Maps, Data, Publications, and Resources
The Massachusetts DEP Hydrogeologic Information Matrix. at <http://www.mass.gov/eea/docs/dep/water/compliance/hydromat.pdf>
MassGIS. at <http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic-information-massgis/>
Scanned "newer" 1:25K topographic maps (from MassGIS). at <http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic- information-massgis/datalayers/imquad.html>