La Playa Trail
... that the historic La Playa Trail in San Diego is the oldest commercial trail in the western United States?
... that the historic <b id="mwA3o"><a href="./La_Playa_Trail" id="mwA3s" rel="mw:WikiLink" title="La Playa Trail">La Playa Trail</a></b> in <a href="./San_Diego" id="mwA3w" rel="mw:WikiLink" title="San Diego">San Diego</a> is the oldest commercial trail in the western United States?