Related by context. Frequent words. (Click for all words.) 51 Sago Mine 48 coal mine 47 coal miners 46 Crandall Canyon 46 Crandall Canyon mine 45 Consol Energy 45 trapped miners 45 MSHA 44 Sago 44 Pennsylvania 43 northeastern Pennsylvania 43 miners trapped 43 Coal Mine 42 Susquehanna River 42 miners 42 Chilean miners 42 colliery 42 coal mines 42 Gov. Ed Rendell 42 Mine Safety 42 W.Va. mine 40 Berks County 40 Gov. Joe Manchin 39 coal seam 39 coal mining 39 W.Va. 39 PennDOT 39 Bethlehem Steel 39 coalmine 39 Marcellus Shale 38 Massey Energy 38 Pa. 38 Governor Rendell 38 CNX Gas 38 DEP 37 Dauphin County 37 Manchin 37 Lycoming 37 Northeastern Pennsylvania 37 Pennsylvania Turnpike 37 Susquehanna 37 West Virginia 37 Rendell 37 Luzerne County 37 CONSOL Energy 37 trapped underground 36 mine shafts 36 Cabot Oil 36 NIOSH 36 Marcellus shale 36 Monongahela River 36 Lehigh Valley 36 Gov. Rendell 35 Lackawanna County 35 drillers 35 Pennsylvanians 35 Wilkes Barre 35 Hazleton 35 Clean Water Act 35 Deepwater Horizon rig 35 Upshur County 35 Colgan Air 35 Mine 35 Williamsport 35 Continental Connection Flight 35 Shanxi province 35 mine 35 Allentown 34 Three Mile 34 Wheeling Pittsburgh 34 cavern 34 mine shaft 34 DCNR 34 Heinz Field 34 Schuylkill 34 Tunkhannock 34 Ligonier 34 Johnstown 34 Canonsburg 34 Pocono Mountains 34 Mine Workers 34 Patriot Coal 34 HUNTINGTON Utah 34 Governor Ed Rendell 34 Sen. Arlen Specter 34 Poconos 34 Colliery 34 Allentown Pa. 34 rescuers 34 Gettysburg 34 Minersville 33 WPVI 33 Interstate #W bridge 33 W. Va. 33 Ebensburg 33 Punxsutawney 33 PNC Park 33 Hersman 33 Sen. Rick Santorum 33 hydraulic fracturing 33 Deepwater Horizon disaster