State environmental officials and expert firefighters brought in by Chevron are taking the first steps in a plan to extinguish flames at a burning Marcellus Shale natural gas well in southwestern ... more 
State environmental officials and expert firefighters brought in by Chevron are taking the first steps in a plan to extinguish flames at a burning Marcellus Shale natural gas well in southwestern Pennsylvania. less 
1 / 23
WTAE - Pittsburgh Videos
Thu, Feb 13, 2014 8:23 PM EST