by John M. Jewett
Originally published in 1941 as Kansas Geological Survey Bulletin 39. This is, in general, the original text as published. The information has not been updated.
Kansas Geological Survey, Geology of Riley and Geary Counties
Web version Nov. 2000. Original publication date Dec. 1941.
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The URL for this page is http://www.kgs.ku.edu/General/Geology/Riley/index.html