Keskmine GPS koordinaadid postiindeks 20697: 38.834, -76.878
videod linnad:
>> Southern Md Facility 20697, Maryland, Prince George's, GPS koordinaadid: 38.8336,-76.8777
videod linnad:
>> Southern Md Facility 20697, Maryland, Prince George's, GPS koordinaadid: 38.8336,-76.8777