This is just a warning for those who don't know. Umatilla Tribal Fish and Wildlife recently cited 2 Non Indians for shed hunting on tribal land (Umatilla Indian Reservation), Umatilla rez is East of Pendleton OR. Umatilla Tribal Land is "Private Land" , like any private land, one cannot trespass on private land.
Anyone trespassing on Tribal Land will be cited, and also Umatilla tribe can hold any vehicles, trucks, atvs etc. up to 1 year.