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 $500 million Natrium plant to process natural gas from Ohio, West Virginia and Pennsylvania is complete.
The plant was built on the West Virginia side of the Ohio River in Marshall County by Dominion Resources.
It is one of growing number on needed processing plants and pipelines needed to bring natural gas from the Utica and Marcellus shales to market, reports EnergyWire.
Producers are hoping that the completed infrastructure will help markets grow in Appalachia.
Click here to read the full story by reporter Peter Behr.