Arizona Mining and Mineral Museum
... that the collection of the Arizona Mining and Mineral Museum includes a specimen of native copper that is 8 ft (2.4 m) long?
... that the collection of the <b id="mwGFg"><a href="./Arizona_Mining_and_Mineral_Museum" id="mwGFk" rel="mw:WikiLink" title="Arizona Mining and Mineral Museum">Arizona Mining and Mineral Museum</a></b> includes a specimen of <a href="./Native_copper" id="mwGFo" rel="mw:WikiLink" title="Native copper">native copper</a> that is <span about="#mwt88" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"Nowrap","href":"./Template:Nowrap"},"params":{"1":{"wt":"8 ft"}},"i":0}}]}' id="mwGFs" typeof="mw:Transclusion">8 ft</span> (<span about="#mwt89" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"Nowrap","href":"./Template:Nowrap"},"params":{"1":{"wt":"2.4 m"}},"i":0}}]}' id="mwGFw" typeof="mw:Transclusion">2.4 m</span>) long?