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Geologic History of Kansas

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Figure 10

Figure 10--Map of Kansas showing clastic ratio limits of sediments in Ogallala Formation (Pliocene). Note elongated areas of coarser clastics, which indicate general areas of channel deposition.

Most shale in far southwest counties; also in Norton and Phillips.

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Kansas Geological Survey, Geologic History of Kansas
Comments to
Web version April 2006. Original publication date Dec. 1963.