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- 23:18, 10 November 2012 (hist) (diff) m Drilling and stray natural gas migration (→Marcellus Shale Coalition Recommended Practices on shale gas)
- 23:15, 10 November 2012 (hist) (diff) Drilling and stray natural gas migration
- 22:38, 10 November 2012 (hist) (diff) Drilling and stray natural gas migration (→Marcellus Shale Coalition Recommended Practices on shale gas)
- 22:11, 10 November 2012 (hist) (diff) Drilling and stray natural gas migration (→Identifying Stray Gas)
- 22:00, 10 November 2012 (hist) (diff) Drilling and stray natural gas migration
- 21:45, 10 November 2012 (hist) (diff) m Drilling and stray natural gas migration (→Regulation of Well Casings)
- 21:35, 10 November 2012 (hist) (diff) m Drilling and stray natural gas migration (→Operator Held Liable)
- 21:34, 10 November 2012 (hist) (diff) Drilling and stray natural gas migration
- 21:14, 10 November 2012 (hist) (diff) Drilling and stray natural gas migration (Pennsylvania has taken an aggressive stance)
- 00:31, 10 November 2012 (hist) (diff) m Drilling and stray natural gas migration
- 00:30, 10 November 2012 (hist) (diff) m Drilling and stray natural gas migration
- 00:28, 10 November 2012 (hist) (diff) m Drilling and stray natural gas migration
- 00:27, 10 November 2012 (hist) (diff) Drilling and stray natural gas migration (determined by its chemical signature)
- 22:45, 7 November 2012 (hist) (diff) Drilling and stray natural gas migration (movement of natural gas (mostly methane) through bedrock and soil)
- 22:15, 7 November 2012 (hist) (diff) Image:Gas mig.png.scaled500.png (Typical gas migration scenario.) (top)
- 00:06, 15 October 2012 (hist) (diff) Forest Fragmentation In Natural Gas Drilling (final form) (top)
- 19:32, 14 October 2012 (hist) (diff) Forest Fragmentation In Natural Gas Drilling (Old growth forests)
- 19:14, 14 October 2012 (hist) (diff) m Forest Fragmentation In Natural Gas Drilling (→Definition of Forest Fragmentation)
- 00:55, 14 October 2012 (hist) (diff) Forest Fragmentation In Natural Gas Drilling (Once drilling operations have concluded)
- 00:13, 14 October 2012 (hist) (diff) Forest Fragmentation In Natural Gas Drilling (Typically some of the procedures followed in well site reclamation)
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