White River Glacier
... that jökulhlaups, glacial bursts, from Oregon's White River Glacier on Mount Hood have washed out a highway six times since 1926?
... that <a href="./Jökulhlaup" id="mwBTo" rel="mw:WikiLink" title="Jökulhlaup">jökulhlaups</a>, glacial bursts, from <a href="./Oregon" id="mwBTs" rel="mw:WikiLink" title="Oregon">Oregon</a>'s <b id="mwBTw"><a href="./White_River_Glacier_(Oregon)" id="mwBT0" rel="mw:WikiLink" title="White River Glacier (Oregon)">White River Glacier</a></b> on <a href="./Mount_Hood" id="mwBT4" rel="mw:WikiLink" title="Mount Hood">Mount Hood</a> have washed out a highway six times since 1926?