Dallas/Fort Worth, Texas

A 150-foot derrick towers over traffic along Interstate 35W, left, positioned on a natural gas well site in Fort Worth, Texas.
Robert Nickelsberg—Getty Images A 150-foot derrick towers over traffic along Interstate 35W, left, positioned on a natural gas well site on Dec. 17, 2008 in Fort Worth, Texas.
Tap to read full story

Your browser is out of date. Please update your browser at http://update.microsoft.com