01756oam 2200517 450 991070397510332120160315080608.0(CKB)5470000002435988(OCoLC)882581846(EXLCZ)99547000000243598820140703d1921 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeology of the igneous rocks of Essex County, Massachusetts /by Charles H. Clapp[Washington, D.C.] :Department of the Interior, United States Geological Survey,1921.Washington :Government Printing Office.1 online resource (132 pages, XVIII pages of plates) illustrations, color mapsBulletin / Department of the Interior, United States Geological Survey ;704Title from title screen (viewed July 3, 2014).Includes bibliographical references and index.Igneous rocksMassachusettsEssex CountyPetrologyMassachusettsEssex CountyIgneous rocksfastPetrologyfastMassachusettsEssex CountyfastIgneous rocksPetrologyIgneous rocks.Petrology.Clapp C. H(Charles Horace),1883-1935,1406345Geological Survey (U.S.),COPCOPOCLCOOCLCAOCLCFGPOOCLCQGPOBOOK9910703975103321Geology of the igneous rocks of Essex County, Massachusetts3485086UNINA