Coffer-dam Sentence Examples

coffer-dam
  • At Silver Islet, Lake Superior, mining was successfully carried on for years under the protection of a coffer dam and an arch of rich silver ore less than 20 ft.

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  • The experiment was repeated year after year till 1867, when the barrage cracked right across from foundation to top. A massive coffer-dam was then erected, covering the eleven arches nearest the crack; but the work was never trusted again, nor the water-surface raised more than about 3 ft.

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  • The work included a massive new concrete foundation, hence the necessity to build the coffer dam.

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