Bill Barrett Corporation, an independent oil and gas company, engages in the exploration, development, and production of natural gas and crude oil, and all of in the Rocky Mountain region of the United States. It operates primarily in nine basins and the overthrust belt, including the Piceance located in northwestern Colorado; the Wind River located in central Wyoming; the Uinta located in northeastern Utah; the Powder River located in northeastern Wyoming; the Williston located in western North Dakota, northwestern South Dakota, and eastern Montana; the Green River; the Denver-Julesburg, which extends into Colorado, Kansas, and Nebraska; the Paradox located in southwestern Colorado and...