

University of Pennsylvania radiocarbon dates XII.
Abstract
Carbon-14 ages, Sequoias and Bristlecone pines.
Keywords
Sequoia;Taxodiaceae;Pinus aristata;University of Pennsylvania;Pennsylvania;Coniferales;Gymnospermae;Spermatophyta;Plantae;United States;C 14;carbon;dates;isotopes;radioactive isotopes;absolute age