@online {129,
	title = {The Massachusetts DEP Hydrogeologic Information Matrix},
	publisher = {MassDEP},
	abstract = {An index of all USGS geologic maps and hydrogeologic publications for Massachusetts, cross-referenced and indexed by town and 7.5{\textquoteright} quadrangle.  This is an extremely valuable resource for finding geologic data for a given site.
},
	keywords = {$\#$BedrockMaps, $\#$Hydro, $\#$MapDatabase, $\#$MapsDataPublications, $\#$QuadIndex, $\#$SurficialMaps, aquifer, catalog, data, database, GEOLOGIC MAP, ground source heat pumps, groundwater, hydrogeology, index, maps, quadrangles, water resources},
	url = {http://www.mass.gov/eea/docs/dep/water/compliance/hydromat.pdf}
}
@online {127,
	title = {National Geologic Map Database},
	publisher = {USGS},
	abstract = {Search here first for any and all geologic map data for the Commonwealth before searching the links below.},
	keywords = {$\#$MapDatabase, $\#$MapsDataPublications, catalog, data, database, GEOLOGIC MAP, index, maps},
	url = {http://ngmdb.usgs.gov/}
}
@online {128,
	title = {USGS Publications Warehouse},
	publisher = {USGS},
	abstract = {Search here second for any and all geologic data for the Commonwealth before searching the links below.},
	keywords = {$\#$MapDatabase, $\#$MapsDataPublications, catalog, data, database, GEOLOGIC MAP, index, maps},
	url = {http://infotrek.er.usgs.gov/pubs/}
}
