Taken by Ron Schott, Fort Hays State University, on Nov. 8, 2008. Castle Rock is an erosional remnant of Upper Cretaceous Niobrara Formation (Smoky Hill member) chalk, located in southeastern Gove County, Kansas. You can also view this image using the full-screen viewer at the GigaPan web site.
Kansas Geological Survey, Public Outreach
Updated Aug. 21, 2009, photos added periodically
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