County: Gove

Date:

Photographer: John Charlton/KGS

Place Name: Castle Rock

Short description: Evening at 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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