Hamersley & Robe River railway
... that, with 1,300 kilometres (810 mi) of track, Rio Tinto's Hamersley & Robe River railway is the largest privately owned heavy freight rail network in Australia?
... that, with <span about="#mwt62" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"1300"},"2":{"wt":"km"}},"i":0}}]}' id="mwDqc" typeof="mw:Transclusion">1,300 kilometres (810</span><span about="#mwt62" typeof="mw:Entity"> </span><span about="#mwt62">mi)</span> of track, <a class="mw-redirect" href="./Rio_Tinto_Group" id="mwDqg" rel="mw:WikiLink" title="Rio Tinto Group">Rio Tinto</a>'s <b id="mwDqk"><a href="./Hamersley_&amp;_Robe_River_railway" id="mwDqo" rel="mw:WikiLink" title="Hamersley &amp; Robe River railway">Hamersley &amp; Robe River railway</a></b> is the largest privately owned heavy freight rail network in <a href="./Australia" id="mwDqs" rel="mw:WikiLink" title="Australia">Australia</a>?