Drilling numbers do not add up
http://www.post-gazette.com/pg/12008/1202172-503-0.stm (http://www.post-gazette.com/pg/12008/1202172-503-0.stm)
Pennsylvania Marcellus Shale wells: Permits to production http://shale.sites.post-gazette.com/includes/shalemap_all/ (http://shale.sites.post-gazette.com/includes/shalemap_all/)
Truck collision spills Marcellus drilling mud into Lycoming Co. creek http://www.pennlive.com/midstate/index.ssf/2011/12/truck_collision_spills_marcell.html (http://www.pennlive.com/midstate/index.ssf/2011/12/truck_collision_spills_marcell.html)
Marcellus Shale drilling firm pays $93K for polluting Pennsylvania stream http://www.pennlive.com/midstate/index.ssf/2011/12/marcellus_shale_drilling_firm.html