Power point on factors and forces of geological features for the Barnett Shale

You'll find a lot of information in these sites. I suggest you start with Wikipedia and go from there.

http://www.google.com/#hl=en&sugexp=ldymls&pq=meta-analytic%20finding%20of%20research%20theory%20with%20children&xhr=t&q=barnett+shale&cp=14&pf=p&sclient=psy&source=hp&aq=0&aqi=&aql=&oq=+Barnett+Shale&pbx=1&bav=on.2,or.r_gc.r_pw.&fp=2be2441b25e78025