National Park Service


Date of this Version



Prepared for the Midwest Region, National Park Service, United States Department of the Interior, Omaha, Nebraska, Purchase Order No. PX -6000-2-0320, titled "Review of Paleontological Resources at Agate Fossil Beds National Monument, Sioux County, Nebraska", a paleontological project conducted under a cooperative agreement between the National Park Service and the University of Nebraska .


The great bone bed at Agate has caught the Imagination and attention of scientists and the public since the significance of the deposit was first recognized by the paleontologist Olaf Peterson in 1904. August 1984 is the 80th anniversary of this discovery, and 1985 will mark an equally significant event: the centennial of James Cook's Initial discovery of bones at the Agate hills near hrs ranch In the valley of the Niobrara River In 1885.