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Arizona Radiocarbon Dates III∗

Published online by Cambridge University Press:  18 July 2016

Paul E. Damon
Affiliation:
Geochronology Laboratories, University of Arizona, Tucson, Arizona
Austin Long
Affiliation:
Geochronology Laboratories, University of Arizona, Tucson, Arizona
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Radiocarbon-age measurements reported here were made by the carbon dioxide gas-proportional counting method since conversion of the laboratory from the solid-carbon method. Assembly of the shield and construction of the glass system was accomplished during the summer of 1959. By January 1960, shield, anticoincidence ring, counters and electronics were set up and in operation. The first year of operation was occupied with calibration, comparison of dating with other C14 laboratories, and the repeating of many of the analyses previously made by the solid-carbon method. Special attention was given to dates open to question from an archaeologic point of view.

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Type
Research Article
Copyright
Copyright © The American Journal of Science