Beaver Run
... that Harveys Lake, the largest natural lake in Pennsylvania by volume, drained into Beaver Run and Bowman Creek in preglacial times, but no longer does so?
... that <a href="./Harveys_Lake_(Pennsylvania)" id="mwB4A" rel="mw:WikiLink" title="Harveys Lake (Pennsylvania)">Harveys Lake</a>, the largest natural lake in Pennsylvania by volume, drained into <b id="mwB4E"><a class="mw-redirect" href="./Beaver_Run_(Bowman_Creek)" id="mwB4I" rel="mw:WikiLink" title="Beaver Run (Bowman Creek)">Beaver Run</a></b> and <a href="./Bowman_Creek" id="mwB4M" rel="mw:WikiLink" title="Bowman Creek">Bowman Creek</a> in preglacial times, but no longer does so?