Brow Monument and Brow Monument Trail
... that Brow Monument and Brow Monument Trail still has a survey marker placed by John Wesley Powell in 1872?
... that <b id="mwDu8"><a href="./Brow_Monument_and_Brow_Monument_Trail" id="mwDvA" rel="mw:WikiLink" title="Brow Monument and Brow Monument Trail">Brow Monument and Brow Monument Trail</a></b> <i id="mwDvE">(geo disc pictured)</i> still has a survey marker placed by <a href="./John_Wesley_Powell" id="mwDvI" rel="mw:WikiLink" title="John Wesley Powell">John Wesley Powell</a> in 1872?