Word: riprapping
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Dates: during 1904-1904
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...engineers of the Commission have made the following calculations: earth excavation, 340,000 cubic yards; filling, 400,000 cubic yards; concrete masonry, 41,000 cubic yards; piling, 490,000 linear feet; pine lumber, 1,100,000 feet; spruce lumber, 550,000 feet; riprap, 10,000 tons. There will be two locks in the dam, the larger being 350 feet in length and 45 feet wide, and of sufficient depth to allow a vessel drawing 16 feet of water to pass through at low tide. The smaller lock will be suitable for launches and row boats. Eight sluices will be provided...
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