AMP: 199 Location: US-16 and Golf Course Rd, Big Horn Cty Reassurance shield after the junction AMP: 197 Location: 4th St and Hart Ave, Basin Welcome to Basin! Basin is the county seat of Big Horn county AMP: 196 Location: 4th St and C St, Basin Turn right for WYO 30, which heads east towards … Continue reading Wyoming Highway 789, WYO 36 to WYO 30