Gjennomsnittlig GPS-koordinater for postnummer 356-842: 36.779, 126.518

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Notering byer:
>> Eumam-myeon/음암면 356-842, Chungcheongnam-do/충남, Seosan-si/서산시, Bujangri/도당4리, GPS-koordinater: 36.77915,126.51753
>> Eumam-myeon/음암면 356-842, Chungcheongnam-do/충남, Seosan-si/서산시, Dodang ri 4/도당5리, GPS-koordinater: 36.77916,126.51754
>> Eumam-myeon/음암면 356-842, Chungcheongnam-do/충남, Seosan-si/서산시, Dodang ri 5/도당6리, GPS-koordinater: 36.77925,126.51763
>> Eumam-myeon/음암면 356-842, Chungcheongnam-do/충남, Seosan-si/서산시, Dodang ri 6/도당7리, GPS-koordinater: 36.77914,126.51752
>> Eumam-myeon/음암면 356-842, Chungcheongnam-do/충남, Seosan-si/서산시, Dodang ri 7/부장리, GPS-koordinater: 36.7792,126.51758
>> Eumam-myeon/음암면 356-842, Chungcheongnam-do/충남, Seosan-si/서산시, Sanghongri/상홍리, GPS-koordinater: 36.77923,126.51761