Maps, Data, Publications, and Resources
Digital Versions of Older NEIGC Guidebooks (1920-1989). at <http://www.library.unh.edu/digital/category/science-technology>
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/>
NEIGC Fieldtrip guidebooks for various parts of New England. at <http://w3.salemstate.edu/ lhanson/NEIGC/Guidebooks.html>
Quantum GIS. at <http://qgis.org/>
Reading Maps with a Critical Eye: Becoming an Informed Map Reader. at <http://www.maine.gov/doc/nrimc/mgs/mapuse/informed/informed.htm>
Recent USGS Publications for Massachusetts. at <http://pubs.er.usgs.gov/#search:advance/page=1/page_size=100/title=Massachusetts:0>
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>