K-12 Multimedia Resources

Ohio Rocks: Fossils

Special | 10m 9s

Gigantic mammals once roamed the freezing evergreen landscape of Ohio. How do we know? We have found their bones which have lain in Ohio's soil for thousands of years. What are those little strange looking shell-like rocks I find in the creek? They are the fossilized remains of animals that lived in the warm shallow sea that covered Ohio millions of years ago?

Aired: 06/16/07

Rating: NR

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