Protesters rally Thursday... Pictures

Protesters rally Thursday outside the Pennsylvania Convention Center, where the Marcellus Shale Coalition was holding its Shale Gas Insight 2012 conference. PHOTO BY ADAM WILMOTH, THE OKLAHOMAN
Protesters rally Thursday outside the Pennsylvania Convention Center, where the Marcellus Shale Coalition was holding its Shale Gas Insight 2012 conference. PHOTO BY ADAM WILMOTH, THE OKLAHOMAN

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