Dam construction site

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Large dam under construction

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Dam in a mountain valley

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Men on large pipe structure

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Dam in a deep canyon

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Construction of a large dam

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Horseshoe Dam from above

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Hoover Dam and Lake Mead

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Hoover Dam with Lake Mead

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Dam releasing water

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Dam in a mountain valley

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Dam in a mountain valley

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Dam with large pipes

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Hoover Dam construction view

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Nighttime view of a dam

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Construction of a large dam

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Dam with cars on road

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Dam with cars on road

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Construction of a large bridge

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Hoover Dam aerial view

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