@Map {221,
	title = {Preliminary Bedrock Geologic Map of the area surrounding Shepley{\textquoteright}s Hill, Towns of Ayer and Devens, Massachusetts},
	year = {2008},
	publisher = {Massachusetts Geological Survey},
	edition = {OFR08-05},
	keywords = {$\#$BedrockMaps, $\#$MGSPub, army, arsenic, Ayer, ayer granite, chelmsford granite, Clinton Newbury Fault Zone, Devens, landfill},
	author = {Joseph P Kopera}
}
