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These days, Lassen Peak sleeps. Standing on the crater rim, you’ll be hard-pressed to think of the summit as a fiery place. In fact, you’ll likely be cold. The airy heights, more than 10,400 feet above sea level, are whipped by chilly winds even in summer, and most years a snowfield blankets the pit of the main crater. But in the early twentieth century Lassen was the only—and ...
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