1st Oregon Volunteer Infantry Regiment
... that men from the 1st Oregon Volunteer Infantry Regiment were the first explorers to climb down the 800-foot (240 m) caldera wall to reach the shore of Crater Lake?
... that men from the <b id="mwEPY"><a class="mw-redirect" href="./1st_Oregon_Volunteer_Infantry_Regiment" id="mwEPc" rel="mw:WikiLink" title="1st Oregon Volunteer Infantry Regiment">1st Oregon Volunteer Infantry Regiment</a></b> were the first explorers to climb down the <span about="#mwt35" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"800"},"2":{"wt":"ft"},"adj":{"wt":"on"}},"i":0}}]}' id="mwEPg" typeof="mw:Transclusion">800-foot (240</span><span about="#mwt35" typeof="mw:Entity"> </span><span about="#mwt35">m)</span> <a href="./Caldera" id="mwEPk" rel="mw:WikiLink" title="Caldera">caldera</a> wall to reach the shore of <a href="./Crater_Lake" id="mwEPo" rel="mw:WikiLink" title="Crater Lake">Crater Lake</a>?