Mealey's (April 9, 2018, 9:24 AM EDT) -- DENVER — The 10th Circuit U.S. Court of Appeals heard oral arguments March 22 in which attorneys for a landowner, the Pawnee Nation of Oklahoma, the U.S. Bureau of Indian Affairs (BIA) and a hydraulic fracturing company debated whether the agency’s approval of a fracking lease and drilling permits violated federal law (Merrill Chance v. Ryan Zinke, et al., No. 17-5057, 10th Cir.)....