@Map {233,
	title = {[Draft] Preliminary bedrock geologic map of the Lawrence quadrangle, Massachusetts},
	year = {2005},
	publisher = {Massachusetts Geological Survey},
	keywords = {$\#$BedrockMaps, $\#$MGSPub, Andover, Andover Granite, Bedford, Berwick formation, Clinton-Newbury Fault, Dracut, Elliot formation, Lawrence, Methuen, nashoba, North Andover, tadmuck brook schist, Tewksbury},
	author = {Castle, R.O. and Hepburn, J.C. and Joseph P Kopera}
}
@Map {247,
	title = {Progress report of bedrock geologic mapping of the Lowell quadrangle, Massachusetts},
	year = {2010},
	publisher = {Massachusetts Geological Survey},
	edition = {PM-09-01},
	abstract = {<p>
	Maps in Progress are not distributed to the public. If you would like to see a copy of this map, please contact Joseph Kopera at jkopera[at]geo[dot]geo[dot]umass[dot]edu</p>
},
	keywords = {$\#$BedrockMaps, $\#$MGSPub, Berwick formation, Chelmsford, Clinton-Newbury Fault, Dracut, Dracut diorite, Dracut gabbro, Dracut pluton, gabbro, Jahns, Lowell, Methuen, nashoba, Nashoba Formation, Tewksbury, Tyngsborough},
	author = {Richard H Jahns and Joseph P Kopera}
}
