RAILROAD COMMISSION'S ANNUAL OIL & GAS PRODUCTION BY TEXAS COUNTY
http://www.txoga.org/articles/311/1/RAILROAD-COMMISSION%26%2339%3BS-ANNUAL-OIL-%26-GAS-PRODUCTION-BY-TEXAS-COUNTY
Published on 04/5/2005
http://www.rrc.state.tx.us/divisions/og/information-data/annual-reports/ogcpann.html