The most important minerals are lead and zinc, obtained in lodes in the forms of galena and calamine respectively. [Please select]
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The three were separating after this when a lad in a blue cotton jacket rose lazily from behind a heap of calamine just to the rear of them, and swung off towards the machinery on the edge of the precipice. [Please select]
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As things were, however, Don Alonso, the foreman, would be sure to be down on him if he were two minutes after Don Jimmy among the red-earth heaps and the galvanised shanties of the calamine mine on its perch eight hundred feet sheer above the Vega Verde. [Please select]
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