Butte County Sunrise / SunsetUnited StatesSDButte CountySunset7:14 pmBelle FourcheSunset at 7:14 pmSunset7:12 pmCastle RockSunset at 7:12 pmArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale