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Contact: A'ndrea Elyse Messer
aem1@psu.edu
814-865-9481
Penn State

Engelder

Caption: Dr. Terry Engelder, professor of geosciences, Penn State shows black shale with markings indicating fracturing.

Credit: Greg Grieco, Penn State

Usage Restrictions: with news release for informational use.

Related news release: Unconventional natural gas reservoir in Pennsylvania poised to dramatically increase US Production


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