GREAT FALLS — American Prairie filed a federal complaint Tuesday challenging the Bureau of Land Management’s decision to revoke six bison grazing permits in Phillips County. In its suit, Western Watersheds plans on asking the court to reverse BLM’s decision but is not initially seeking an injunction, Molvar said. MTN News BisonDisagreement over federal grazing lawBLM authorized the bison grazing in 2022 following a multi-year environmental review. In an earlier interview, Montana Stockgrowers Association President Lesley Robinson supported that interpretation, saying federal grazing permits are intended for livestock raised for production. American Prairie and Western Watersheds argue that no “production-oriented” requirement appears in the Taylor Grazing Act.