http://www.usnews.com/news/articles/2015/06/16/tribe-bets-on-legal-potIncidentally, this Reservation is only about a half hour from Sioux Falls...and not too far from Minnesota for that matter as well. Though it appears it'll only be "on sale" in small amounts, as intended only for small consumption on the premises, so not like states with it legal but I'm sure I'll know of plenty of people here planning a visit. Sioux Falls is probably going to have hordes going in January 1.
Still I'm a bit surprised it took a tribe this long to do so, seeing as how they found casinos so lucrative. I expect to see it expand. Whoever would've thought Sioux Falls would become the next city where anyone with a car would get easy access to marijuana legally.