Economics and the 1995 National Assessment of U.S. Oil and Gas Resources
 Emil D. Attanasi

  U. S. Geological Survey Open-File Report 95-75-M

Figure 5. Assessed coalbed gas plays of the USGS 1995 National Assessment. Table B-4 of Appendix B lists province and play names and numbers.

Figure 6. Geologic setting of a continuous-type accumulation and discrete conventional accumulations in a structural trap and a stratigraphic trap (modified from U.S. Geological Survey Circular 1118, 1995).

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