Mastodon jaw found along Columbia River

It can be hard to imagine mastodons roaming around in Eastern Washington, but they did, and a Grant PUD pulled a bone from one out of a bag last week.

Back in March, the jawbone of an estimated 6-million-year-old Ringhold mastodon was found on Carbody Beach in the upper Hanford Reach area of the Columbia River, north of the Tri-Cities.

Brett Lenz is an archaeologist and manager of Grant PUD's Cult...