Agate Fossil Beds
Harrison, Nebraska, Sioux County
In the early 1900s, paleontologists unearthed full skeletons of extinct Miocene mammals in the hills of Nebraska – species previously only known through fragments. These thousands of bones from rhinoceroses, horses, chalicotheres, camels, entelodonts and bear dogs effectively defined the Early Miocene and the Age of Mammals for the science of paleontology. Around the same time, an age of friendship began between rancher James Cook and the legendary Chief Red Cloud of the Oglala Lakota, and other members of the Lakota and Cheyenne tribes. They gathered at James Cook’s ranch house near the fossil beds and told stories, danced, tanned hides and exchanged the gifts which now make up an impressive collection of Native American artifacts showcased at Agate Fossil Beds National Monument.
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