Trout Creek
... that a pit-house discovered near Trout Creek is at least 5,000 years old?
... that a <a href="./Pit-house" id="mwB8w" rel="mw:WikiLink" title="Pit-house">pit-house</a> discovered near <b id="mwB80"><a class="mw-redirect" href="./Trout_Creek_(Deschutes_River)" id="mwB84" rel="mw:WikiLink" title="Trout Creek (Deschutes River)">Trout Creek</a></b> is at least 5,000 years old?