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.
Anti-fracking groups from across Ohio will rally on Saturday, June 2, in New Philadelphia.
The rally will run from 9 a.m. to noon in front of the Tuscarawas County Courthouse, 101 E. High St., New Philadelphia.
Speakers include representatives of the Buckeye Forest Council, Mohican Advocates, Food and Water Watch, the Sierra Club and Stewards of the Land.
The rally is calling attention to the water sales to drillersin eastern Ohio by the Muskingum Conservancy Watershed District.
Its Conservancy Court is scheduled to meet at 10 a.m.The court may soon set rates for additional water sales from six of its reservoirs in eastern Ohio.
That could affect Clendening Reservoir in Harrison County, Leesville Reservoir in Carroll County, Tappan Lake in Harrison County, Atwood Lake in Carroll and Tuscarawas counties, Piedmont Lake in Belmont County and Seneca Lake in Noble and Guernsey counties.
To date, the district with offices in New Philadelphia has approved one water sale: to Gulfport Energy Corp. It is getting up to 11 million gallons from Clendening for hydraulic fracturing or fracking.
The district covers 18 counties stretching from Akron south to the Ohio River. It covers 20 percent of Ohio.