by Rycroft G. Moss
Originally published in 1932 as Kansas Geological Survey Bulletin 19.
This online version has been created because the published version is currently out of print. This is, in general, the original text as published in 1932. The information has not been updated. Also, the photos are not available at this time in this electronic version.
Kansas Geological Survey, Ness and Hodgeman Geology
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Web version May 2004. Original publication date Dec. 1, 1932.