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 issue of what to do with millions of gallons of contaminated wastewater from drilling for natural gas in the Marcellus shale in New York state remains unsettled, according to reporter Mary Esch of the Associated Press.
As New York works on final regulations, environmental advocates say the issue is a glaring gap in preparations.
There is a very strong chance that much of the liquid waste will be shipped to Ohio for disposal in our state's injection wells.
Click here to read Escher's Monday story.