Gjennomsnittlig GPS-koordinater for postnummer 40831: 17.576, -101.156

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Notering byer:
>> El Puente 40831, Guerrero, Petatlan, GPS-koordinater: 17.7167,-100.3167
>> La Palma 40831, Guerrero, Petatlan, GPS-koordinater: 17.6167,-101.3333
>> Las Peñas 40831, Guerrero, Petatlan, GPS-koordinater: 17.5167,-101.35
>> Palos Blancos 40831, Guerrero, Petatlan, GPS-koordinater: 17.5333,-101.2833
>> San Jeronimito 40831, Guerrero, Petatlan, GPS-koordinater: 17.55,-101.3333
>> Soledad de Maciel 40831, Guerrero, Petatlan, GPS-koordinater: 17.525,-101.3167