01964nem 2200481Ia 450 991070158800332120120313145738.0(CKB)5470000002419204(OCoLC)779973096(EXLCZ)99547000000241920420120313d2011 da engb|||||||||||||||||||||dur|n|||||||||crdrdacontentcrdamediacrrdacarrierBedrock geologic map of the Grafton quadrangle, Worcester County, Massachusetts[electronic resource] /Gregory J. Walsh, John N. Aleinikoff, and Michael J. Dorais ; prepared in cooperation with the Commonwealth of Massachusetts, Massachusetts Geological Survey[Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,2011.1 online resource (1 map) color +1 pamphlet (iv, 39 pages)Scientific investigations map ;3171Relief shown by contours and spot heights.Title from title screen (viewed on Mar. 13, 2012).Includes location map, index map, lithologic column, col. ill., 1 table, and 3 cross-sections.Includes bibliographical references (pages 35-39 of pamphlet).GeologyMassachusettsWorcester CountyMapsGeology, StructuralMassachusettsWorcester CountyMapsMaps.lcgftGeologyGeology, StructuralWalsh Gregory J1387680Aleinikoff John Nicholas1391395Dorais Michael J1395195Geological Survey (U.S.)Massachusetts.Geological Survey.GPOGPOBOOK9910701588003321Bedrock geologic map of the Grafton quadrangle, Worcester County, Massachusetts3453307UNINA