Cuyama Valley
... that the semi-arid, mostly agricultural Cuyama Valley was once one of the most productive oil regions of California?
... that the <a class="mw-redirect" href="./Semi-arid" id="mwAz8" rel="mw:WikiLink" title="Semi-arid">semi-arid</a>, mostly agricultural <b id="mwA0A"><a href="./Cuyama_Valley" id="mwA0E" rel="mw:WikiLink" title="Cuyama Valley">Cuyama Valley</a></b> was once one of the most productive oil regions of <a href="./California" id="mwA0I" rel="mw:WikiLink" title="California">California</a>?