Prosečne GPS koordinate za poštanski broj 78589: 23.278, -101.117
Spisak gradova:
>> Presa de Santa Gertrudis 78589, San Luis Potosi, Charcas, GPS koordinate: 23.2778,-101.1167
Spisak gradova:
>> Presa de Santa Gertrudis 78589, San Luis Potosi, Charcas, GPS koordinate: 23.2778,-101.1167