Page:Popular Science Monthly Volume 86.djvu/305

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VOLCANIC ACTIVITY OF LASSEN PEAK
301


Fig. 5. The Fire Lookout Station of the U. S. Forest Service on June 26, 1914. The holes in the roof were probably made during the eruption of June 14. The house has been entirely destroyed by later eruptions.

firmed by other observers, some of whom declare they saw flames. So far as known to the writer, this is the only reliable observation during these eruptions which may possibly be interpreted as indicating that there has ever been an approach to the temperature of molten lava. The coming of winter with frequent snowstorms at that elevation has prevented any search for ejected rocks bearing any evidence of recent subjection to great heat, and consequently the character of the luminous bodies remains undetermined.

The maximum severity for the entire period apparently occurred in September, but this is uncertain, since the record for October and No-

Fig. 6. The Lookout Station as Seen on October 7.