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    Survey of the River Niagara. Made under the direction of Capt'n W'm Fiz W'm. Owen, in the Year 1817 The Soundings are laid down in Feet -- Inset -- Survey of the entrance of the River Niagara from Lake Erie by Lieu't H. W. Bayfield, R. N. -- London Published ...

    Survey of the River Niagara. Made under the direction of Capt'n W'm Fitz W'm. Owen, in the Year 1817 The enlarged Plan of the Entrance, & that on the smaller Scale distinguished by upright Soundings, is from the United States Survey corrected to 1856. The Soundings are laid down in ...

    Copy Survey of Lake Erie in the Years 1817 & 1818 By Lieu't Henry W. Bayfield, R. N. All Soundings are in feet N.B. The depth of water varies, according as the seasons are wet or dry; the maximum being from 2 to 3 feet. The Original of this Map ...

    North America Lakes Ontario and Erie River Niagara and Welland Canal From the latest United States Government Charts Welland Canal from the latest Canadian Government Surveys All heights are expressed in feet above High Water. Magnetic Variation in 1900; increasing about 4' annually. Soundings in Feet London. Published at the ...