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Shale Natural Gas

  • Aired: 04/25/2012
  • Rating: NR
Yul meets Terry N Gelder, geoligist at Penn State University and expert on the Marsellius Shale rock formation to find out more about the natural gas found at the Marsellius.
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Shale Natural Gas
Shale Natural Gas
Learn more about the Marsellius Shale rock formation.
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