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 gap between opponents and supporters of hydraulic fracturing has grown to an all-time high in New York, according to a new poll.
The Siena College survey released Monday shows 45 percent of New York voters do not support allowing high-volume fracking in the state, compared to 37 percent who do. Eighteen percent had no opinion or not enough information to formulate one.
The gap is even larger upstate, where 52 percent oppose fracking and 34 percent are in favor of it. The gas-rich Marcellus Shale formation, which spans several states in the Northeast and Mid-Atlantic, stretches across New York's Southern Tier.
The survey showed the "largest anti-fracking sentiment ever in a Siena College poll," Siena pollster Steve Greenberg said in a statement.
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