Isopach of the Barnett Shale, 25' Contour Interval. Irregular contours in NW Johnson County due to karsting.
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Thursday, March 27, 2008
Barnett Shale Isopach Map by County
Isopach of the Barnett Shale, 25' Contour Interval. Irregular contours in NW Johnson County due to karsting.
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