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机译:On the importance of stratigraphic control for vertebrate fossil sites in Channel Islands National Park, California, USA: Examples from new Mammuthus finds on San Miguel Island
US Geol Survey, Denver Fed Ctr, Box 25046,MS-980, Denver, CO 80225 USA;
US Geol Survey, 12201 Sunrise Valley Dr,MS-926A, Reston, VA 20192 USA;
Mammoths; San Miguel Island; Stratigraphy; Radiocarbon dating; California Channel Islands; Site documentation;