Wyoming’s powerful coal industry is starting to feel the full force of the market’s decline. Three of the state’s four largest producers are now in bankruptcy. Last month, two of the country’s largest coal mines, both in Wyoming’s Powder River Basin, laid off 15% of their workers. And that’s on top of hard times in both oil and gas. As the state’s energy booms go bust, Wyoming is facing the colossal task of having to replace some- or live with less- of its main economic drivers. Inside Energy’s Leigh Paterson reports from Gillette, Wyoming’s coal capital.