County: Riley

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Photographer: John Charlton/KGS

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Short description: Collapsed Elmont limestone shelf at Pillsbury Crossing in Riley County. At Pillsbury Crossing Wildlife Area, the water in Deep Creek cascades over the Elmont limestone, formed from sediment deposited in shallow seas during the Pennsylvanian subperiod about 300 million years ago.

Hi-Resolution Version

Credit: This photo may be reproduced for non-commercial and educational purposes. When using this photo in a publication, website, or presentation, please credit Kansas Geological Survey. For information about use for commercial purposes, please contact the KGS editor.