Mintaro, South Australia
... that the small town of Mintaro, South Australia, produces world-class slate from what is believed to be the oldest continuing operating quarry in Australia?
... that the small town of <b id="mwAwM"><a href="./Mintaro,_South_Australia" id="mwAwQ" rel="mw:WikiLink" title="Mintaro, South Australia">Mintaro, South Australia</a></b>, produces world-class <a href="./Slate" id="mwAwU" rel="mw:WikiLink" title="Slate">slate</a> from what is believed to be the oldest continuing operating quarry in Australia?