Butte County Sunrise / SunsetUnited StatesSDButte CountySunrise7:01 amBelle FourcheSunrise at 7:01 amSunrise7:00 amCastle RockSunrise at 7:00 amArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale