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Geologic History of Kansas

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Figure 45

Figure 45--Isopachus map of Florena Shale in Kansas, based on about 2,500 control points (Fig. 46). Contour interval 4 feet. Maximum thickness, about 18 feet, in southwestern Sedgwick County.

Present in middle half of state, but at 0-4 feet thick in much of western and northern extent, grows to 12 feet in south-central counties.

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Kansas Geological Survey, Geologic History of Kansas
Comments to
Web version Jan. 2009. Original publication date Dec. 1963.