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Blasting to divert river water, lower dam
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Earthwork operations in mine #1
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upper dam body & plinth
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Blasting operation, mine #1
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formwork for concrete placement of T.L.1 tunnel wall
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General view, upper dam
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Spudding operations to prepare for blasting in mine #1
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Interior view of the headrace tunnel
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Spudding operations to prepare for blasting in one of the headrace tunnels
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