Chesapeake Energy Corp,the Oklahoma-based firm is the No. 1 driller in Ohio.
Rig Count Interactive Map by Baker Hughes, an energy services company.
Shale Sheet Fracking, a Youngstown Vindicator blog.
The Ohio Environmental Council, a statewide eco-group based in Columbus.
Earthjustice, a national eco-group.
People's Oil and Gas Collaborative-Ohio, a grass-roots group in Northeast Ohio.
Concerned Citizens of Medina County, a grass-roots group.
No Frack Ohio, a Columbus-based grass-roots group.
Fracking: Gas Drilling's Environmental Threat by ProPublica, an online journalism site.
Pipeline, blog from Pittsburgh Post-Gazette on Marcellus shale drilling.
Allegheny Front, environmental public radio for Western Pennsylvania.
Belmont County in eastern Ohio has signed a natural gas lease that will pay a signing bonus of $7,500 an acre.
That agreement with Pennsylvania-based Rice Drilling D LLC is one of the top reported lease agreements in eastern Ohio.
The lease covers 406.44 acres owned by the county.
The county will also get 20 percent royalty payments.
Click here to read the full story from the Martins Ferry Times Leader.