Revision of Aleutian Prehistory.
Mongoloid skeletons of the Eskimo-Aleut stock, bone, stone and ivory artifacts, together with sea mammal, fish, bird, and invertebrate remains date to 1788 +/- 180 B.C. at Chaluka, Umnak Island. Faunal composition and physical type of the human population present no appreciable changes for over 3000 years. Styles of artifacts change, but none indicate that ecological adaptation was affected.
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