Butte County Sunrise / SunsetUnited StatesSDButte CountySunset7:44 pmBelle FourcheSunset at 7:44 pmSunset7:43 pmCastle RockSunset at 7:43 pmArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale