Taken by Ron Schott, Fort Hays State University, on July 22, 2008. Rock City is a local park near Minneapolis, Kansas where dozens of meter-scale concretions of Dakota Sandstone have remained resistant to weathering. You can also view this image using the full-screen viewer at the GigaPan web site.
Kansas Geological Survey, Public Outreach
Updated Aug. 12, 2009, photos added periodically
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