An index of all USGS geologic maps and hydrogeologic publications for Massachusetts, cross-referenced and indexed by town and 7.5' quadrangle. This is an extremely valuable resource for finding...
Search here first for any and all geologic map data for the Commonwealth before searching the links below.
Search here second for any and all geologic data for the Commonwealth before searching the links below.
The MA Geological Survey
Department of Geosciences
269 Morrill Science Center
University of Massachusetts
611 North Pleasant Street
Amherst, MA 01003-9297