Geologic Framework and Description of Coalbed Gas Plays
http://certmapper.cr.usgs.gov/data/noga95/prov64/text/prov64.pdf

Dudley Rice, US Geological Survey


Coalbed gas currently accounts for about 6 percent of all US natural gas reserves. This 85-page US Geological Survey report describes the geology of these coalbed gas plays, discusses potential for future prospects and provides a brief history of coalbed gas exploration in the US. Copious information about many sedimentary basins, Cretaceous and Tertiary strata, and Laramide structures is included as part of the coalbed methane play analysis.

This resource is referenced here:
Subject: Geoscience:Geology
Focus on the Cretaceous: Economic Resources, Stratigraphy
Topics: Human Dimensions/Resources, Earth surfaceKeywords: unconventional gas, energy resources