June 15th (Wednesday) – Crown Butte Dam- West of Mandan- 6:00PM to 8:30PM – Take I-94 west to Exit 147 (approximately 4 miles west of Mandan ) take the ramp and go north on Hiway 25 then go west on Co Rd 139A to Crown Butte Dam (about 4 miles). Meet by the boat ramp.