@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} }