01704oam 2200445 450 991070861220332120170424075950.0(CKB)5470000002471108(OCoLC)889716152(EXLCZ)99547000000247110820140901d1995 ua 0engurn||||||||||txtrdacontentcrdamediacrrdacarrierIsotopic geochronology of the Leadville 1° x 2° quadrangle, west-central Colorado summary and discussion /by Alan R. WallaceWashington :United States Government Printing Office,1995.1 online resource (iv, 51 pages) illustrations, mapsU.S. Geological Survey bulletin ;2104Title from title screen (viewed August 25, 2014).Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).Includes bibliographical references (pages 16-18).Isotopic geochronology of the Leadville 1° x 2° quadrangle, west-central Colorado GeologyColoradoLeadville RegionGeology, StratigraphicRadioactive datingColoradoLeadville RegionGeologyGeology, Stratigraphic.Radioactive datingWallace Alan R.1384123Geological Survey (U.S.),COPCOPOCLCOGPOBOOK9910708612203321Isotopic geochronology of the Leadville 1° x 2° quadrangle, west-central Colorado3458269UNINA