Gjennomsnittlig GPS-koordinater for postnummer 78421: 22.196, -100.958

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Notering byer:
>> Laguna de Santa Rita 78421, San Luis Potosi, San Luis Potosi, GPS-koordinater: 22.1958,-100.9583
>> San Miguel de La Colina 78421, San Luis Potosi, San Luis Potosi, GPS-koordinater: 22.1958,-100.9583
>> Villa de Pozos 78421, San Luis Potosi, San Luis Potosi, GPS-koordinater: 22.1958,-100.9583