

U.S. Geological Survey, Menlo Park, California, radiocarbon measurements II.
Keywords
Bering Sea;Marin County California;Placer County California;Tanana Valley;Teklanika Valley;Umiat;San Diego County California;U. S. Geological Survey;Venezuela;Alaska;government agencies;survey organizations;North Pacific;California;Pacific Ocean;South America;organic compounds;organic materials;United States;peat;organic residues;sediments;charcoal;wood;geochronology;C 14;carbon;dates;isotopes;radioactive isotopes;shells;absolute age