A gas pipeline warning sign at the edge of a cornfield near a hydraulic fracturing drilling rig creating a new well on the Niobara shale formation, one of the most intensively fracked areas in the United States..
A gas pipeline warning sign at the edge of a cornfield near a hydraulic fracturing drilling rig creating a new well on the Niobara shale formation, one of the most intensively fracked areas in the United States..