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.
The Ohio Oil & Gas Commission on Friday ruled against an appeal filed by D&L Energy, ending company efforts to regain state licenses to dispose of oilfield wastes.
D&L's disposal operations were suspended by the Ohio Department of Natural Resources' Civision of Oil & Gas Resources Managament earlier this year after the company's former president, Ben Lupo, 62, of Poland, was accused of ordering employees to illegally dump the waste down a storm sewer that drained into the Mahoning River in Youngstown.
To read the full story from the Warren Tribune, click here.