Bones belonging to a juvenile mastodon that roamed Michigan 13,000 years ago are now on display at the Grand Rapids Public Museum, after workers unearthed it by chance last year. (May 18)(AP video: Mike Householder)
Bones belonging to a juvenile mastodon that roamed Michigan 13,000 years ago are now on display at the Grand Rapids Public Museum, after workers unearthed it by chance last year. (May 18)(AP video: Mike Householder)