Go deeper into the history of each park with scholarly articles and essays from Oxford University Press, freely available for the centennial year.

American National Biography

Red Cloud

Oglala Lakota leader

James H. Cook, who owned Agate Springs Ranch, became good friends with Red Cloud, Chief of the Oglala Lakota. The Cook Collection at Agate Fossil Beds National Monument includes Native American artifacts given to Cook from friends including Red Cloud.

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