| http://www.w3.org/ns/prov#value | - Pin This!UNIVERSITY PARK, Pa. ??? As the Marcellus natural gas play unfolds in Pennsylvania, several trends are becoming increasingly clear, according to Penn State researchers.First, most of the development is occurring on private land, and the greatest amount of development falls within the Susquehanna River basin.Second, a regional approach to siting drilling infrastructure is needed to help mi
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