Butte County Sunrise / SunsetUnited StatesSDButte CountySunset4:19 pmBelle FourcheSunset at 4:19 pmSunset4:16 pmCastle RockSunset at 4:16 pmArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale