323 F.3d 767 BURLINGTON NORTHERN SANTA FE RAILROAD COMPANY, a Delaware corporation, Plaintiff-Appellee,v.THE ASSINIBOINE AND SIOUX TRIBES OF THE FORT PECK RESERVATION, Montana; Arlyn Headdress, chairman of the Fort Peck Tribal Executive Board; Mervyn Shields, Director, Tax Department of the Assiniboine and Sioux Tribes, Defendants-Appellants. No. 01-35681. United States Court of Appeals, Ninth Circuit. Argued […]