%0 Online Database %D 2007 %T Brittle Structure Database of the Gloucester and Rockport quadrangles, Massachusetts %A Stephen B Mabee %K #FractureMaps %K #MGSPub %K Cape Anne %K Cape Anne granite %K Essex %K fault %K fracture %K Gloucester %K Ipswich %K joint %K Manchester %K Rockport %K ⃔ %B Open-File Report %7 OFR-07-02 %I Massachusetts Geological Survey %G eng