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Illinois State Geological Survey radiocarbon dates VI.

Dennis D Coleman, Chao Li Liu

Keywords


government agencies;Illinois;silt;survey organizations;Illinois State Geological Survey;caliche;collagen;proteins;organic compounds;organic materials;United States;peat;organic residues;sediments;Cenozoic;charcoal;Quaternary;wood;clastic sediments;geochronology;C 14;carbon;dates;isotopes;radioactive isotopes;absolute age;sedimentary rocks;carbonate rocks

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