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Scientific American, Vol. 93, No. 17 (1905) (1905)

leaf 7

An illustration from Scientific American, Vol. 93, No. 17 (1905), 1905, leaf 7
320 OcTOBER 21, 1905. … and the river bottom laid dry, a con- tivity is the stretch of foreshore on the crete gathering dam, 33 feet in width Canadian side, reaching from the com- gathering dam was built, and 26 to 33 feet in depth, was built out mencement of the upper rapids to the from the shore, the inshore end being…

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