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 Intelligencer/Wheeling News-Register newspaper is reporting that an Exxon Mobil subsidiary will be drilling into the Ohio Utica Shale.
The story beginning:
"OHIO VALLEY - Exxon Mobil subsidiary XTO Energy plans to drill its first Ohio Utica Shale well just south of the former Key Ridge Elementary School in Belmont County, state records show.
"Public records also confirm oil giant Exxon has at least 52,334 acres leased for drilling in Belmont and Monroe counties, while competitor Chevron has several thousand acres leased in Marshall and Ohio counties.
"Ohio Department of Natural Resources records show XTO has the permit to drill the Utica Shale well on a 461-acre plot in Mead Township, just south of Ohio 147."
Read the full story here.