Mealey's (December 21, 2021, 1:47 PM EST) -- DENVER — A Native American association and environmental groups filed a brief in the 10th Circuit U.S. Court of Appeals on Dec. 16 arguing that a lower court erred when it dismissed their case against the U.S. Department of the Interior (DOI) in which they argued that the agency violated the National Environmental Policy Act (NEPA) by predetermining the outcome of its NEPA analysis for hydraulic fracturing permits in the Mancos Shale formation....