@Map {252, title = {Digital conversion of Peck, J.H., 1975, Preliminary bedrock geologic map of the Clinton quadrangle, Worcester County, Mass., U.S. Geological Survey Open File Report 75-658}, year = {2012}, publisher = {Massachusetts Geological Survey}, edition = {DC12-01}, abstract = {This map is an interim product and will be superseded by an updated bedrock map of the quadrangle in 2016. This map is a digital version of USGS OFR 75-658: http://pubs.er.usgs.gov/publication/ofr75658 There are some cartographic errors in creating a digital version: A Jurassic diabase dike along the western edge of the quadrangle is not shown in the digital version. These errors are being corrected.}, keywords = {$\#$BedrockMap, $\#$MGSPub, andalusite, ayer granite, Berlin, Bolton, Boylston, Clinton, Clinton-Newbury Fault, Devens, Harvard, Lancaster, Leominster, nashoba, Oakdale Quartzite, Peck, phyllite, quartzite, Reuben{\textquoteright}s Hill Formation, Sterling, tadmuck brook schist, Tower Hill quartzite, Wekepeke Fault, Worcester Formation}, author = {Peck, J.A.}, editor = {Joseph P Kopera} }