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

    Agate Fossil Beds

    National Monument Nebraska

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The Cook Collection


Did You Know?

Lakota families traveling from the Pine Ridge Reservation to visit at Agate Springs Ranch.

Lakota families traveled 150 miles by team and wagon to visit the Agate Springs Ranch. This trip took almost a week and they needed to carry a pass to leave the reservation where they lived. Many long time residents remember seeing the visiting American Indian dancers at the Agate Springs Ranch. More...