| Title | Preliminary bedrock geologic map of the Westford quadrangle, Massachusetts |
| Publication Type | Map |
| 2009 | |
| Authors | Kopera, JP, Alvord, DC, Jahns, RH, Willard, ME, White, WS |
| Series Title | Open-File Report |
| Edition | OFR-09-01 |
| Massachusetts Geological Survey | |
| #BedrockMaps, #MGSPub, Acton, amphibolite, ayer granite, Berwick formation, Boxborough, calc-silicates, Carlisle, Chelmsford, chelmsford granite, Clinton-Newbury Fault, Concord, diorite, gneiss, Groton, LITTLETON, magnetite, marble, migmatite, Nashoba Formation, phyllonite, tadmuck brook schist, Tyngsborough, Westford | |
Bedrock Geologic Map contains brittle fracture data Mapping still in progress. For interim fracture database, please contact Joe Kopera | |
| Map Scale | 1:24000 |
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