.@GovernorCorbett: Marcellus Shale Development Employs Thousands of Pennsylvanians; Reduces Energy Costs http://t.co/4SzVoaB5Hf
.@GovernorCorbett: Marcellus Shale Development Employs Thousands of Pennsylvanians; Reduces Energy Costs http://t.co/4SzVoaB5Hf