@techreport {30, title = {Preliminary compilation of the bedrock geology of the land area of the Boston 2 degree sheet, Massachusetts, Connecticut, Rhode Island and New Hampshire}, number = {77-285}, year = {1977}, keywords = {$\#$MassGeology, $\#$MassGeologyMap, bedrock geology, Connecticut, eastern MA, GEOLOGY, map, massachusetts, New Hampshire, Rhode Island}, issn = {USGS OFR 77-285}, url = {http://pubs.er.usgs.gov/publication/ofr77285}, author = {Patrick J Barosh and Fahey, Richard J. and Pease, Maurice Henry, Jr.} } @online {42, title = {USGS Water Resources of Massachusetts and Rhode Island}, keywords = {massachusetts, natural hazards, Rhode Island, water resources}, url = {http://ma.water.usgs.gov/} }