Průměrné GPS souřadnice pro psČ 373-821: 36.371, 127.697

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Seznam měst:
>> Annam-myeon/안남면 373-821, Chungcheongbuk-do/충북, Okcheon-gun/옥천군, Cheongjeongri/도농리, GPS souřadnice: 36.3708,127.69717
>> Annam-myeon/안남면 373-821, Chungcheongbuk-do/충북, Okcheon-gun/옥천군, Donongri/청정리, GPS souřadnice: 36.37083,127.6972
>> Annam-myeon/안남면 373-821, Chungcheongbuk-do/충북, Okcheon-gun/옥천군, Hwahakri/화학리, GPS souřadnice: 36.3708,127.69717