

U.S. Geological Survey radiocarbon dates IX.
Abstract
Dates of 7160 + or - 500 and 2270 + or - 500 are given for ash and clastic sediment collected at the bottom of Lake Waiau, Mauna Kea (p. 527-528).
Keywords
Costa Rica;U. S. Geological Survey;Hawaii;East Pacific Ocean Islands;Chile;Oceania;Polynesia;Alaska;Central America;government agencies;survey organizations;list;Israel;Atlantic Ocean;general listing;South America;Malaysia;Middle East;Far East;United States;Asia;C 14;carbon;dates;isotopes;radioactive isotopes;absolute age