Niagara Falls: Their Physical Changes, and the Geology and Tropography of the Surrounding Country

Excerpt from Niagara Falls: Their Physical Changes, and the Geology and Tropography of the Surrounding Country

A striking feature in the Topography of western New York, is the great difference of elevation between the Lakes Erie and Ontario, when taken in connexion with the generally level or but slightly uneven surface of the country, and where there are no disturbances among the strata. The difference of elevation between the other great lakes is comparatively small, although Superior is situated in a disturbed geological region. The elevation of Lake Erie is three hundred and thirtyfour feet above Lake Ontario, and the greater part of the difference is overcome by Niagara river in the space of one mile at the rapids and falls.

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