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

    Agate Fossil Beds

    National Monument Nebraska

Fossils and Much, Much More

During the 1890s, scientists rediscovered what the Lakota Sioux already knew - bones preserved in one of the most complete Miocene mammal sites in the world.

Yet, this place called "Agate" is a landscape that reflects many players – from early animals roaming the valleys and hills, to tribal nations calling the High Plains home, to explorers passing through or settling in the American West.

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...