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.
Orrville's Smith Dairy Products Co. today held a groundbreaking ceremony for a new compressed natural gas fueling station.
The CNG station for Smith Dairy Trucking will be the largest privately funded facility of its kind in the state of Ohio.
The facility is scheduled to begin operations in late summer.
The compressor powering the station will be manufactured by the Ohio-based Ariel Corp.
Smith Dairy Products Co. said it hopes to encourage other fleet operators to switch to alternative fuels.