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6-million-year-old Mastodon Jawbone Going To Wanapum Heritage Center
The lower jawbone of a 6-million-year-old mastodon is going on display at the Wanapum Heritage Center in Mattawa after a Grant County PUD worker helped identify it.
PUD manager of Cultural Resources Brett Lenz saw a Facebook post of someone who located the relic on the upper Hanford Reach...