Laurel Run
... that the valley of Laurel Run is the only place in the USGS quadrangle of Elk Grove where Wisconsinan Flow-Till occurs?
... that the valley of <b id="mwARM"><a class="mw-redirect" href="./Laurel_Run_(West_Branch_Fishing_Creek)" id="mwARQ" rel="mw:WikiLink" title="Laurel Run (West Branch Fishing Creek)">Laurel Run</a></b> is the only place in the <a class="mw-redirect" href="./USGS_quadrangle" id="mwARU" rel="mw:WikiLink" title="USGS quadrangle">USGS quadrangle</a> of Elk Grove where Wisconsinan Flow-<a href="./Till" id="mwARY" rel="mw:WikiLink" title="Till">Till</a> occurs?