The mines of Rio Tinto
Lucia and Guillermo, with the expert help of Lucia's nephew Pascual Tabares, led us on a tour of the ancient and famous iron mines of Rio Tinto

1. Margret Neher at the edge of an excavation pond (pH ~4, I think)
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4. Margret
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7. The mines are closed now. Over the centuries, several hundred cubic kiliometers of earth have been excavated
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9. Right to left: Lucia, Pascual, Guillermo. Pascual is an engineer/geologist who will study in the US in 2010.
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