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 parent company of Columbia Gas of Ohio on Monday announced plans for a $300 million joint venture in the Utica shale with Texas-based Hilcorp Energy Co.
Thye deal involves NiSource Inc.'s Midstream and Minerals Group., based in Indiana.
The project's first phase will get under way this year in Northeast Ohio and western Pennsylvania.
The two companies will pool their Utica acreage with Hilcorp doing thew drilling.
They are also establishing a midstream joint venture called Pennant Midstreamto construct an initial 50 miles of pipelines for wet gases or ethanes, butanes and propanes.
A natural gas processing plant in Northeast Ohio is also planned, although no location was mentioned by company officials. It wouldbe designed to handle 200 million cubic feet per day.
There was no word on how much acreage the two companies own.