I don't know when it was (aside from sometime before mid-May, but it was on the NE arm of Lassen and it was powerful. I believe that it had probably been at least a week since it dropped, but big trees were snapped off 6-10 feet above the snow level so there could have been more time elapsed. The crown was still very clearly defined (which would argue against it's having been too long since it slid). The debris field was long and that area obviously handn't had an avy of that magnitude in a long time.
"if the city is visibly one of humankind's greatest achievements, its uncontrolled evolution also can lead to desecration of both nature and the human spirit."
-- Melvin G. Marcus 1979
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