The deposit is located on the banks of the Águeda River, some 15 kilometers downstream from the town of Ciudad Rodrigo, around the “Puente de la Unión”, which crosses the river between the localities of Serranillo (Villar de la Yegua), Martillán (Villar de Argañán) and Castillejo de Martín Viejo, in the province of Salamanca.

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