01990oam 2200493 450 991070705690332120160318145334.0(CKB)5470000002460918(OCoLC)891382442(EXLCZ)99547000000246091820140926d1967 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeology of the Eldorado Springs quadrangle, Boulder and Jefferson counties, Colorado petrography, stratigraphy, and structural geology of the Precambrian metamorphic and igneous rocks, Paleozoic and Mesozoic sedimentary rocks, and Cenozoic surficial deposits /by John D. Wells[Washington, D.C.] :United States Department of the Interior, Geological Survey,1967.Washington :United States Government Printing Office.1 online resource (v, 85 pages, 1 page of plates) illustrations, color mapGeological Survey bulletin ;1221-DContributions to general geology ;1965Title from title screen (viewed September 15, 2014).Includes bibliographical references (pages 82-85).Geology of the Eldorado Springs quadrangle, Boulder and Jefferson counties, Colorado GeologyColoradoBoulder CountyGeologyColoradoJefferson CountyGeologyfastColoradoBoulder CountyfastColoradoJefferson CountyfastGeologyGeologyGeology.Wells John David1926-1386524Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707056903321Geology of the Eldorado Springs quadrangle, Boulder and Jefferson counties, Colorado3529522UNINA