Keskmine GPS koordinaadid postiindeks 57631: 45.534, -100.272
videod linnad:
>> Glenham 57631, South Dakota, Walworth, GPS koordinaadid: 45.5335,-100.2716
videod linnad:
>> Glenham 57631, South Dakota, Walworth, GPS koordinaadid: 45.5335,-100.2716