%0 Map %D 0 %T Bedrock geologic map of the Ayer 7.5’ quadrangle, Worcester and Middlesex Counties, Massachusetts (2015) %A Joseph P Kopera %K Ayer %K ayer granite %K Ayer Granodiorite %K Ayer Quadrangle %K Berwick %K Campbell Hill Fault %K chelmsford granite %K Clinton Newbury Fault %K Devens %K Harvard Conglomerate %K merrimack %K Oakdale formation %K pin hill %K Shepley's Hill %K Shirley Fault %K tadmuck brook schist %K Worcester Formation %X

Editing and review are still underway.  This map should be available in winter 2015/2016

%B Open File Report %7 15-01 %I Massachusetts Geological Survey %G eng %2

1:24000

%0 Map %D 2004 %T Bedrock geologic map of the Marlborough quadrangle, Massachusetts %A Joseph P Kopera %A DiNitto, R.G. %A Hepburn, J.C. %K #BedrockMaps %K #MGSPub %K alaskite %K amphibolite %K Andover Granite %K Ashland %K Berlin %K Bloody Bluff %K Burlington Mylonite Zone %K epidote %K fault zone %K gneiss %K granite %K granofels %K Hope Valley Alaskite %K Hopkinton %K Hudson %K Indian Head Hill %K Lake Char %K Malborough %K Milford granite %K Milham Reservoir %K mylonite %K Northborough %K quartzite %K schist %K shear zone %K Southborough %K volcanic %K Waltham Tectonic Melange %K Westborough %K Wolfpen Lens %B geologic Map %7 GM-06-01 %I Massachusetts Geological Survey %G eng %2

1:24000