• The Agate Fossil Hills where mammal fossils were excavated in the early 1900's

    Agate Fossil Beds

    National Monument Nebraska

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Did You Know?

The Fossil Hills, containing the main excavation sites. Carnegie Hill on the right, and University (of Nebraska) Hill on the left.

At Agate Fossil Beds many years separated different excavations. In 1981 University of Nebraska scientists screened the soil near a 1908 Carnegie excavation site and found a beardog tibia fragment fitting one found in the earlier dig. This site also revealed actual beardog dens. More...