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 opening this valley to the outer world. Even the great Erie project languished long in consequence of business depression. It was not until 1845 that it was completed as far as Middletown, and not until 1851 that it reached Dunkirk.

"Not even to the Erie was final supremacy on this frontier assured, but the upper Susquehanna lands, more than those through which the Erie ran, were doomed to a condition of isolation. Nature itself had decreed that the great route of transportation in New York State was to run where the great trail of the Iroquois for centuries had run—through the Mohawk Valley. Along that central trail from Albany, 'the Eastern Door,' to Buffalo, 'the Western door of the Long House,' the course of empire westward was to take its way."