Ghost Town Trail
... that the Ghost Town Trail in Western Pennsylvania utilizes 36 miles (58 km) of donated and abandoned railroad and features many abandoned mining ghost towns?
... that the <b id="mwETs"><a href="./Ghost_Town_Trail" id="mwETw" rel="mw:WikiLink" title="Ghost Town Trail">Ghost Town Trail</a></b> in <a href="./Western_Pennsylvania" id="mwET0" rel="mw:WikiLink" title="Western Pennsylvania">Western Pennsylvania</a> utilizes <span about="#mwt36" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"36"},"2":{"wt":"mi"}},"i":0}}]}' id="mwET4" typeof="mw:Transclusion">36 miles (58</span><span about="#mwt36" typeof="mw:Entity"> </span><span about="#mwt36">km)</span> of donated and abandoned railroad and features many abandoned mining <a class="mw-redirect" href="./Ghost_towns" id="mwET8" rel="mw:WikiLink" title="Ghost towns">ghost towns</a>?