November 7, 2011 7:11 AM

Gas shale brings promise of jobs, concerns about water

To appreciate the promise and betrayal of the nation's natural gas rush, look no further than this rural community in southwestern Pennsylvania where the 957 residents barely outnumber the dairy cows. Like dozens of farming communities in the state, the countryside here is dotted with drill pads, derricks, compressor stations, truck convoys, earth movers, open-air reservoirs and pipelines that snake along fence lines and carry natural gas to refineries.

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