Walnut Creek
... that the tributary Walnut Creek in Iowa was named for the black walnut trees which once lined the creek before early settlers cleared them?
... that the tributary <b id="mwAoc"><a href="./Walnut_Creek_(Raccoon_River_tributary)" id="mwAog" rel="mw:WikiLink" title="Walnut Creek (Raccoon River tributary)">Walnut Creek</a></b> in Iowa was named for the <a href="./Juglans_nigra" id="mwAok" rel="mw:WikiLink" title="Juglans nigra">black walnut</a> trees which once lined the creek before early settlers cleared them?