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| First Page | Document Content | |
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 Date: 2014-08-05 12:29:23Shale gas Hydraulic fracturing Marcellus Formation United States Shale gas by country Hydraulic fracturing in the United States Geography of the United States Geology Shale |
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| First Page | Document Content | |
|---|---|---|
Date: 2014-08-05 12:29:23Shale gas Hydraulic fracturing Marcellus Formation United States Shale gas by country Hydraulic fracturing in the United States Geography of the United States Geology Shale |
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letter to the public on fracking