A gas drilling rig at D/FW airport photographed on October 11, 2007. (Fort Worth Star-Telegram/Ralph Lauer)
A gas drilling rig at D/FW airport photographed on October 11, 2007. (Fort Worth Star-Telegram/Ralph Lauer) Ralph Lauer Star-Telegram/Ralph Lauer
A gas drilling rig at D/FW airport photographed on October 11, 2007. (Fort Worth Star-Telegram/Ralph Lauer) Ralph Lauer Star-Telegram/Ralph Lauer