01559oam 2200445 450 991070541140332120170523151554.0(CKB)5470000002451277(OCoLC)891572306(OCoLC)995470000002451277(EXLCZ)99547000000245127720140929d1941 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierAlkalic rocks of Iron Hill, Gunnison County, Colorado /by Esper S. LarsenWashington :United States Department of the Interior, Geological Survey,1942.1 online resource (v, 64 pages) illustrations +1 plateProfessional paper ;197-AShorter contributions to general geology, ;1941Title from title screen (viewed September 22, 2014).Includes bibliographical references and index.Alkalic igneous rocksColoradoGunnison CountyGeologyColoradoGunnison CountyGeology, StratigraphicPrecambrianAlkalic igneous rocksGeologyGeology, StratigraphicLarsen Esper S(Esper Signius),1879-1961,1401922Geological Survey (U.S.),COPCOPOCLCOGPOBOOK9910705411403321Alkalic rocks of Iron Hill, Gunnison County, Colorado3529447UNINA