Observatory: Mastodon Hunt Adds to Evidence of Pre-Clovis Settlement

[unable to retrieve full-text content]A mastodon rib prompted speculation in the late 1970s about pre-Clovis settlers. Now improved carbon dating technology has confirmed the fossil is 13,800 years old.

Source: http://feeds.nytimes.com/click.phdo?i=8a6baa1dbe145b2c26fb6be5f7d69056

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