A Lansing boy exploring a creek finds what looks like a really big , really old tooth . The tooth is about 8 inches in length , brown , and has one peaks . so I picked it up and An expert determines it 's a tooth from a long-extinct mastodon . Mastodons were elephant-like beasts that roamed North America Friday .
A Lansing boy exploring a creek finds what looks like a really big , really old tooth . The tooth is about 8 inches in length , brown , and has one peaks . An expert determines it 's a tooth from a long-extinct mastodon . Mastodons were elephant-like beasts that roamed North America Friday .