Archaeology as blood sport: How the discovery of an ancient mastodon ignited debate over humans’ arrival in North America | 11/16/1992 | Thomas Curwen
shuadah (Posted by) Level 3
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Orient the specimen so that you’re looking at the interior surface. It should appear like the cross-section of a straw. The hollowed-out area is where a marrow-filled spongy bone would have been. It is surrounded by a hardened exterior of cortical bone, nearly an inch thick. On one side, part of the cortical bone is missing. Zoom in, and you will see that the cortical...
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