Gjennomsnittlig GPS-koordinater for postnummer 325-892: 36.155, 126.528

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Notering byer:
>> Seo-myeon/서면 325-892, Chungcheongnam-do/충남, Seocheon-gun/서천군, Dodun ri 1/도둔1리, GPS-koordinater: 36.15517,126.52837
>> Seo-myeon/서면 325-892, Chungcheongnam-do/충남, Seocheon-gun/서천군, Dodunri/도둔리, GPS-koordinater: 36.15523,126.52843
>> Seo-myeon/서면 325-892, Chungcheongnam-do/충남, Seocheon-gun/서천군, Sinhapri/신합리, GPS-koordinater: 36.15516,126.52836
>> Seo-myeon/서면 325-892, Chungcheongnam-do/충남, Seocheon-gun/서천군, Wolhori/월호리, GPS-koordinater: 36.15514,126.52834