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Paleoindian Exploitation of Mammals in Eastern Washington State

Abstract Eleven mammalian archaeofaunas associated with the Western Stemmed Point Tradition (WSPT) in the Columbia Basin of intermontane northwestern North America and recovered from eastern Washington State suggest that local Paleoindians were variable in subsistence pursuits. The 11 faunas are strongly if imperfectly nested taxonomically, suggesting that they all derived from the same metacommunity. Taxonomic abundances evidenced by several faunas indicate a focus on large mammals (>25 kg body weight), others indicate a focus on small mammals (<5 kg body weight), and still others indicate generalized exploitation of a diverse array of mammalian body sizes. Early WSPT assemblages point to a broad diet, whereas late WSPT assemblages show a focus on artiodactyls. Middle and late Holocene mammalian faunas from the same and nearby areas indicate that Archaic-stage subsistence was more focused on large mammals than local early Paleoindian adaptations. The traditional model that specialized big-game-hunting Paleoindians were followed chronologically by more generalized or broad-spectrum adaptations of the Archaic is not supported in the Columbia Basin.