John Hill
... that Mount Hill and Hill River in South Australia were both named after John Hill?
... that <a class="mw-redirect" href="./Mount_Hill,_South_Australia" id="mwC94" rel="mw:WikiLink" title="Mount Hill, South Australia">Mount Hill</a> and <a href="./Hill_River_(South_Australia)" id="mwC98" rel="mw:WikiLink" title="Hill River (South Australia)">Hill River</a> in <a href="./South_Australia" id="mwC-A" rel="mw:WikiLink" title="South Australia">South Australia</a> were both named after <b id="mwC-E"><a href="./John_Hill_(explorer)" id="mwC-I" rel="mw:WikiLink" title="John Hill (explorer)">John Hill</a></b>?