Around 240 million years ago, creatures large and small lived in this region. Some left their mark in the mud, and if the conditions were just right, those prints were preserved under a protective layer of sediment. See the many types of fossils in the collection here.
PALEONTOLOGY
GLEN CANYON DAM HISTORY
The Glen Canyon Dam was constructed from 1956 to 1966 by the United States Bureau of Reclamation. The 710-foot-high arch-gravity...
Read More JOHN WESLEY POWELL
Major John Wesley Powell is credited as the man who led the first U.S. Government Expedition down the Green and...
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