Castle Lake
... that Castle Lake was created by the 1980 eruption of Mount St. Helens?
... that <b id="mwA08"><a href="./Castle_Lake_(Washington)" id="mwA1A" rel="mw:WikiLink" title="Castle Lake (Washington)">Castle Lake</a></b> <i id="mwA1E">(pictured)</i> was created by the <a href="./1980_eruption_of_Mount_St._Helens" id="mwA1I" rel="mw:WikiLink" title="1980 eruption of Mount St. Helens">1980 eruption of Mount St. Helens</a>?