clear.gif (49 bytes) Excavation in Utah
Excavation team at a quarry in eastern Utah, U.S.,
where they unearthed Utahraptor, a Cretaceous Period carnivore

© Tom Smart/Liaison

Back to Environment: 1910-1960
clear.gif (49 bytes)
Comments Credits Recommended Reading On the Web

Copyright (c) 1998 Encyclopaedia Britannica, Inc.