Figure 61--Electrig-log cross section showing relation of Lansing rocks to adjacent units. Stratigraphic position of "Stalnaker" and "Layton" sandstones also in showm. Of special interest is abnormally thick carbonate section, which may represent a marine bank, in well 4 in south-central Butler County.
Kansas Geological Survey, Geologic History of Kansas
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Web version Jan. 2009. Original publication date Dec. 1963.