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.
EnerVest companies are a major player in Ohio's Utica shale.
On Sept. 30, CEO and president Mark Houser spoke at an industry conference in San Francisco on his company's Utica shale strategy and future plans.
It's a long read via a transcript from Seeking Alpha. But it's worth reading to know what the low-risk company with institutional investors is planning to do in eastern Ohio where it owns 900,000 Utica acres.
Click here to read Houser's comments.