hornachuelos cistern. roman-republican oppidum, extremadura, spain

2nd ancient archaeological argentiferous badajoz barros bce beturia camp century cistern described entity excavation extremadura fornacis galena geographical geostrategic grande heritage history hornachos hornachuelos iron landmark lead metallurgy mineral mines oppidum outdoors past plinio ptolemy reservoir roman romanrepublican rural sierra site spain tank territorial tierra travel turdetani water world