Marcellus Formation - Document - PDFSEARCH.IO

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$Shale gas / Marcellus Formation / Chief Oil & Gas / Barnett Shale / Hydraulic fracturing / Pennsylvania Department of Environmental Protection / Chevron Corporation / Natural gas / Shale gas in the United States / Geography of the United States / Geology / Energy in the United States$	Document Date: 2011-07-21 15:10:13 Open Document File Size: 2,82 MB Share Result on Facebook