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Scientific American, Vol. 100, No. 19 (May 1909) (1909)

leaf 4

An illustration from Scientific American, Vol. 100, No. 19 (May 1909), 1909, leaf 4
Scientists tell us that centuries ago the entire Ni- Lake, where sandbars are known to exist to retard den under a mass of ice of great thickness, which agara section was in the grasp of a mighty glacier, the passage of ice and water to the lower lake. This finally attained a thickness of between… … to the lower level was continuous. Water, dent of the village of Lewiston, wired Gov- Copyright 1 ) by O. E. Dunlap. too, was sent into the gorge in great ernor Hughes, who was quick to hurry The blast that broke the Niagara ice jam. quantities, the effect being that the level the engineers of the…

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