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For the construction of the hydroelectric powerhouse, an approx. 30.5 m deep rock excavation had to be built. For the construction of the hydroelectric powerhouse, an approx. 30.5 m deep rock excavation had to be built.

For the construction of the hydroelectric powerhouse, an approx. 30.5 m deep rock excavation had to be built.

For the construction of the hydroelectric powerhouse, an approx. 30.5 m deep rock excavation had to be built.

Media-ID: 260060
Medium provided by: DYWIDAG-Systems International, image used with kind permission.
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Last updated on: 20/07/2016

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Willow Island Locks and Dam

USA (2016)

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