I live next to their reservation, which they have kept essentially pristine and undeveloped, while Tucson urban sprawl is starting to look like Phoenix. These people are serious about protecting what is left of their ancestral land, and they have a lot of support down here. I, and a lot of people I know, plan to support them, and, as said by someone else on this thread, it is going to be Standing Rock, all over again. There are a lot if churches, and civic organizations who have already expressed their support. These are peaceful, non violent people. They are not going to follow the example of the RW nuts in Oregon, but they will go full passive resistance. They have treaties, and they will use their casino earnings to fight this to the Supreme Court.