Area With Suspect Thicknesses Due To Structure--Most Questionable Values Noted With * AND May Be Ignored In Contours
Layer designed to accompany WVGES Reports of Investigation 35, Lithostratigraphy of Middle and Upper Devonian Organic-Rich Shales in West Virginia.  Layer was drawn based on a state-wide sampling of data and localized study would be needed to be more certain of the details of any particular area.

Note:  Thicknesses observed in well logs in this area are suspect due to high potential for structural complexity, including faulting and high bed dips.  Wells for which values are deemed most unreliable are marked with an *.
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