Saint Joe River
... that the Saint Joe River has been described as the highest navigable river in the world?
... that the <b id="mwBFY"><a href="./Saint_Joe_River" id="mwBFc" rel="mw:WikiLink" title="Saint Joe River">Saint Joe River</a></b> has been described as the highest <a href="./Navigability" id="mwBFg" rel="mw:WikiLink" title="Navigability">navigable river</a> in the world?