What was Cretaceous Maryland like?
115 million years ago, Prince George’s County was a flat coastal plain with winding rivers. The environment probably resembled parts of southern Louisiana today. Sharp bends in the rivers became detached and formed lakes or swamps called oxbows. Dinosaur Park is a remnant of one such oxbow.

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1. Where in time is the Dinosaur Park?
2. What was Cretaceous Maryland like?
3. Where do fossils come from?
4. How do we identify incomplete fossils?
5. What animals and plants lived at Dinosaur Park?