• 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?

James Cook raised horses as well as cattle on the Agate Springs Ranch.

Grasses that make up the mixed grass prairie are excellent for grazing cattle. However, with the low annual rainfall the carrying capacity is 25 acres for one cow and calf. This makes it necessary for ranches in this area to be fairly large. More...