County: Gove

Date: November 1970

Photographer: Grace Muilenburg/KGS

Place Name:

Short description: Castle Rock in Gove County. Castle Rock is part of the Smoky Hill Chalk Member of the Niobrara Chalk. The massive layers of chalk formed from sediments deposited on the bottom of a great inland sea that covered much of western North America during the later part of the Cretaceous Period, about 80 million years ago.

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