Cline Buttes
... that gold was discovered on Cline Buttes in central Oregon in 1904, but proved uneconomic to mine?
... that gold was discovered on <b id="mwArI"><a href="./Cline_Buttes" id="mwArM" rel="mw:WikiLink" title="Cline Buttes">Cline Buttes</a></b> in central <a href="./Oregon" id="mwArQ" rel="mw:WikiLink" title="Oregon">Oregon</a> in 1904, but proved uneconomic to mine?