Recherche dans la collection - Survey for Ship Canal around Niagara Falls. Profiles Levelled and Surveyed under the direction of Capt. W.G. Williams of the U.S. Topographical Engineers, by Lieuts. Drayton & Reed, 1835. Line No. 3. from Porter's Store House by New Manchester to Niagara River, at Lewiston N.Y. [cartographic material]

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