CHANCE v. ZINKE

Attorney(s) appearing for the Case

Donald A. Lepp ( Gentner F. Drummond , Garry M. Gaskins, II , and Logan L. James with him on the briefs), Drummond Law, PLLC, Tulsa, Oklahoma, for Merrill Chance, Plaintiff-Appellant.

Tamara N. Rountree , Environmental & Natural Resources Division, United States Department of Justice, Washington, D.C. ( Jeffrey H. Wood , Eric Grant , Mark R. Haag , and Jody H. Schwarz , Environmental & Natural Resources Division, United States Department of Justice, Washington, D.C., and Charles R. Babst, Jr. , Kristen D. Kokinos , and Stephen L. Simpson , Office of the Solicitor, United States Department of the Interior, Washington, D.C., with her on the brief), for Ryan Zinke, Darryl LaCounte, and United States Bureau of Indian Affairs, Defendants-Appellees.

James D. Sicking, Jr. , Tulsa, Oklahoma ( Thomas Mortensen , Tulsa, Oklahoma, with him on the brief), for Great Southwestern Exploration, Inc., Defendant-Appellee.

Michael S. Freeman , Earthjustice, Denver, Colorado ( Yuting Chi , Earthjustice, Denver, Colorado, and Don Mason , Attorney General, Pawnee Nation of Oklahoma, Pawnee, Oklahoma, with him on the brief) for the Pawnee Nation of Oklahoma and Walter R. Echo-Hawk, Amici Curiae.

Before LUCERO, PHILLIPS, and MORITZ, Circuit Judges.