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.
Chardon in Geauga County will be the site of an anti-fracking march and rally on March 31.
The march will begin at 12:30 p.m. at the Chardon Fire Department parking lot at 110 S. Hambden St., Chardon.
Marchers will proceed to the Chardon Square where speakers will address the crowd at the gazebo.
One horizontal natural gas well has been drilled in Geauga County.
For more information, contact Kathryn Hanratty at 440-477-5468.