Průměrné GPS souřadnice pro psČ 340-921: 36.664, 126.604

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Seznam měst:
>> Deoksan-myeon/덕산면 340-921, Chungcheongnam-do/충남, Yesan-gun/예산군, Daechiri/광천리, GPS souřadnice: 36.66413,126.60393
>> Deoksan-myeon/덕산면 340-921, Chungcheongnam-do/충남, Yesan-gun/예산군, Gwangcheonri/내라리, GPS souřadnice: 36.66422,126.60402
>> Deoksan-myeon/덕산면 340-921, Chungcheongnam-do/충남, Yesan-gun/예산군, Naerari/대치리, GPS souřadnice: 36.66413,126.60393
>> Deoksan-myeon/덕산면 340-921, Chungcheongnam-do/충남, Yesan-gun/예산군, Oerari/사천리, GPS souřadnice: 36.66412,126.60392
>> Deoksan-myeon/덕산면 340-921, Chungcheongnam-do/충남, Yesan-gun/예산군, Sacheonri/외라리, GPS souřadnice: 36.66415,126.60395