The benefits which arise to a trading people from navigable rivers : To which are added, some considerations on the origin of loughs and bogs; and a scheme, for the establishment of a company, to make the river Shannon navigable, humbly offered to the publick. By John Browne, Esq; author of the seasonable remarks, of the essay upon trade, of the scheme of the money-matters of Ireland, and of several other pamphlets, upon the affairs of this country.