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 film "Truthland" will be screened next week in Youngstown and Cleveland.
It will be shown at 7 p.m. Aug. 14 at the Youngstown Historical Center of Industry and Labor, 151 W. Wood St., 330-941-1314. Doors open at 6:30 p.m.
There will be a panel discussion at 7:35 p.m.
On Aug. 16, the film will be shown at 7 p.m. at Windows ont he River, 2000 Sycamore St., Cleveland, 216-861-1445.
The doors open at 6:30 p.m. There will be a panel discussion at 7:35 p.m., after the movie is shown.
For more information about "Truthland," click here.