Resource Specialization (Other Keyword)
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Head for the Hills: Resource Specialization in the Prehistoric Portland Basin (2017)
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In the Portland Basin north of the Columbia River, the oldest sites (5,000 years BP and older) tend to be larger than younger sites, have a more diverse array of artifacts, and lie in upland areas. Sites post-dating 5,000 years BP vary in size, tend to have specialized artifact types, and are found at a wide range of elevations. We hypothesize that the lack of older sites at lower elevations is due to changes in subsistence strategies, rather than differential preservation of older materials. We...