Heart Butte ReservoirManaged by the Bureau of Reclamation, Box 1017, Bismarck, ND 58502; (701) 250-4592. Fifteen miles south of Glen Ullin on Highway 49; barrier-free access along highway. Six primitive campgrounds with wells and vault toilets. Available species include crapp State: North Dakota City: Bismark Nearest Town: Glen Ullin Status; Official Cost: Free Nearest Road: Unknown Scenery Rating: Months Opened: Spring-Fall Extras: Restrooms Number of Camp Sites: 30 or more Max -