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.
A Colrado-based drilling company and a New York dairy farm have filed appeals by decisions by New York state judges that upheld a ban on oil-and-gas drilling imposed by two New York towns.
Anschutz Exploration Corp. last week filed a notice of appeal of state Supreme Court Judge Phillip Rumsey, who on Feb. 21 on upheld gthe drilling ban imposed by the town of Dryden.
The company had sued Dryden last September seeking to overturn the ban.
Cooperstown Holstein Dairy Corp. has filed a similar appeal against the town of Middlefield's ban that was upheld Feb. 25 by Judge Donald Cerio Jr.
Attorneys said they expect thr two casdes to be consolidated and heard later this year by an appeals court in Albany.
A total of 22 New York towns have adopted laws banning drilling.
In 2010, New York i