@Map {224,
	title = {Bedrock geologic map of the Marlborough quadrangle, Massachusetts},
	year = {2004},
	publisher = {Massachusetts Geological Survey},
	edition = {GM-06-01},
	keywords = {$\#$BedrockMaps, $\#$MGSPub, alaskite, amphibolite, Andover Granite, Ashland, Berlin, Bloody Bluff, Burlington Mylonite Zone, epidote, fault zone, gneiss, granite, granofels, Hope Valley Alaskite, Hopkinton, Hudson, Indian Head Hill, Lake Char, Malborough, Milford granite, Milham Reservoir, mylonite, Northborough, quartzite, schist, shear zone, Southborough, volcanic, Waltham Tectonic Melange, Westborough, Wolfpen Lens},
	author = {Joseph P Kopera and DiNitto, R.G. and Hepburn, J.C.}
}
@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	abstract = {This map is an interim product and will be superseded by an updated bedrock map of the quadrangle in 2016.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}
}
@Map {219,
	title = {Preliminary bedrock geologic Map of the Milford quadrangle},
	year = {2007},
	publisher = {Massachusetts Geological Survey},
	edition = {OFR-07-01},
	abstract = {<p>
	Fracture Characterization Map is included as sheets 2 and 3. Water Resources data included as sheet 4.</p>

<p>
	GIS and metadata forthcoming</p>
},
	keywords = {$\#$BedrockMaps, $\#$FractureMaps, $\#$MGSPub, acadian, alaskite, alleghenian, amphibolite, antiform, Ashland, avalon, bedrock map, blackstone, fracture, GEOLOGIC MAP, gneiss, granite, Holliston, hopedale quartzite, Hopkinton, ironstone diorite, joints, l-tectonite, Mendon, MGS Publication, Milford, neoproterozoic, Northbridge, proterozoic, quarries, quartzite, Upton, Westborough},
	author = {Joseph P Kopera and Shaw, C.E. and Fernandez, M.}
}
