Mexico 2018 (part III): Sierra de Catorce
Sierra de Catorce, Mexico: After the conference in San Luis Potosi was finished, I joined a field trip towards the north into the Sierra de Catorce. Silver was found in […]
Sierra de Catorce, Mexico: After the conference in San Luis Potosi was finished, I joined a field trip towards the north into the Sierra de Catorce. Silver was found in […]