Digging for Triceratops

Résumé du livre

The first time scientists unearthed a Triceratops fossil, they thought they might be dealing with a really big bison. Take a fascinating journey through this discovery timeline to reveal the mysteries and revelations of how Triceratops was discovered, including digs and finds from Colorado to Mexico. With supports for the Common Core and visual learning, Dinosaur Discovery Timelines provide a fresh approach to prehistoric creatures.