WPortageWBraeWCampbeltown and Machrihanish Light RailwayWDiolkosWDon–Volga portageWGnezdovoWIsthmus of TehuantepecWMavis GrindWPanama Canal RailwayWPortage railwayWPortages in North AmericaWRivas, NicaraguaWShip camelWSmolenskWTrade route from the Varangians to the GreeksWVolokolamskWVyshny Volochyok
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