

University of Texas at Austin radiocarbon dates XII.
Keywords
Oklahoma;Artiodactyla;Maine;Ecuador;Idaho;Venezuela;paleontology;Utah;Peru;Texas;Theria;Eutheria;Nevada;South America;Mammalia;Chordata;Tetrapoda;Vertebrata;organic compounds;organic materials;United States;Cenozoic;Quaternary;C 14;carbon;dates;isotopes;radioactive isotopes;absolute age;Caribbean region;West Indies