Trail into Chalk Canyon
County: Logan
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Photographer: John Charlton/KGS
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Short description: Trail into a Niobrara Chalk canyon in Logan County. The Cretaceous-age Niobrara Chalk in western Kansas was deposited in a massive inland sea that ran north to south across west-central North America about 80 million years ago.
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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.
