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A man leading a train of horses on a rocky trail.
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Photo taken from an ore bucket traveling on a cable.
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Seven men standing on a dam overlooking a lake of muddy water.
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Mineral industries equipment. A cable across a river valley.
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Three men standing on railroad tracks in front of a tunnel.
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A river and buildings seen from a road on a hillside above.
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A black and white photograph of a building with a train and mountain behind it.
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Two men standing on the deck of a two-story wooden building.