Locks on deep waterways
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Being an outline of the course pursued in the investigation of the proper shape, size, and strength of the walls, floors, miter-walls, &c for locks on Deep-Waterways, built to accommodate Lake and Ocean going vessels, of the greatest draughts and widths. The locks investigated are for those on canals, having a minimum depth of thirty feet. This being assumed to be the depth necessary for largest vessels.
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