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.
Forbes magazine on June 1 suggested that Exxon Mobil or Chevron might consider purchasing cash-strapped Chesapeake Energy Corp.
Analysts are expecting that oil majors may consider bidding for the company, which is the No. 2 natural gas producer in the United States, and sits on some of the most lucrative onsgore reserves in shale plays across the country, the magazine said.
Chesapeake has lost 30 percent of its market value since Jan. 1 and the price of natural gas is at a 10-year low.
Click here to read the Forbes account.