Fracture patterns and their origin in the Upper Devonian Antrim Shale gas reservoir of the Michigan basin: A review

Robert T. Ryder

Open-File Report 96-23

Figure 7 Michigan basin and structure contour map drawn on the top of the Traverse Group (Fisher and others, 1988).

Created by the EERT WWW Staff.

U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1996/of96-023/figure7.htm
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