01890oam 2200457 450 991070718850332120160415134123.0(CKB)5470000002461609(OCoLC)891382511(EXLCZ)99547000000246160920140926d1967 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeology of the Mount Wilson quadrangle, western San Juan Mountains, Colorado a bedded sequence of volcanic and sedimentary rocks more than 5,000 feet thick has been intruded by stocks and laccoliths /by Calvin S. Bromfield ; prepared on behalf of the U.S. Atomic Energy Commission[Washington, D.C.] :United States Department of the Interior, Geological Survey,1967.Washington :United States Government Printing Office.1 online resource (vi, 100 pages, 6 pages of plates) illustrations, maps (some color)Geological Survey bulletin ;1227Title from title screen (viewed September 15, 2014).Includes bibliographical references (pages 94-97) and index.Geology of the Mount Wilson quadrangle, western San Juan Mountains, Colorado GeologySan Juan Mountains (Colo. and N.M.)GeologyfastUnited StatesSan Juan MountainsfastGeologyGeology.Bromfield Calvin Stanton1923-1398495Geological Survey (U.S.),U.S. Atomic Energy Commission,COPCOPOCLCOOCLCFGPOBOOK9910707188503321Geology of the Mount Wilson quadrangle, western San Juan Mountains, Colorado3534755UNINA