County: Woodson

Date:

Photographer: John Charlton/KGS

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Short description: Upland chert gravels of Neogene age (approximately 2.6 million to 23 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.