Gjennomsnittlig GPS-koordinater for postnummer 31803: 18.9, -103.792

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Notering byer:
>> El Capulin 31803, Chihuahua, Nuevo Casas Grandes, GPS-koordinater: 18.9,-103.7917
>> Enriquez 31803, Chihuahua, Nuevo Casas Grandes, GPS-koordinater: 18.9,-103.7917
>> Hidalgo 31803, Chihuahua, Nuevo Casas Grandes, GPS-koordinater: 18.9,-103.7917
>> Hidalgo Colonia Agricola 31803, Chihuahua, Nuevo Casas Grandes, GPS-koordinater: 18.9,-103.7917