Butte County Sunrise / SunsetUnited StatesSDButte CountySunset7:09 pmBelle FourcheSunset at 7:09 pmSunset7:08 pmCastle RockSunset at 7:08 pmArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale