About 6% of Montana is Native American while around 13% of California is. No doubt Montana has some big reservations with the accompanying problems both on and off the reservation. As to federal lands - 46% of California, 29% of Montana. As to federal land taxes Montana gets around 27 million dollars a year from payments in lieu of taxes. The tourism at national parks in Montana generate over 400 million dollars a year in economic benefits for the state. It appears the federal lands pay their way.