Wallkill River
... that the Wallkill River is one of the few rivers that drains into a creek, because it is impounded just before the confluence?
... that the <b id="mwAcs"><a href="./Wallkill_River" id="mwAcw" rel="mw:WikiLink" title="Wallkill River">Wallkill River</a></b> is one of the few rivers that drains into a <a class="mw-redirect" href="./Creek_(stream)" id="mwAc0" rel="mw:WikiLink" title="Creek (stream)">creek</a>, because it is <a href="./Dam" id="mwAc4" rel="mw:WikiLink" title="Dam">impounded</a> just before the <a href="./Confluence" id="mwAc8" rel="mw:WikiLink" title="Confluence">confluence</a>?