Power company Dominion Resources said Wednesday it will spend $253 million to upgrade a network of natural gas pipelines in West Virginia that was never designed to handle the gas bonanza that has been uncovered in the region.

Large portions of the state sit on top of the Marcellus shale, where a massive deposit of natural gas that touches five states is locked in tight rock formations.

via The Associated Press: Dominion spends $253M on W Virginia gas expansion.