RT @USGSVolcanoes: @HubGeology Check page 27 of https://t.co/fnf6P3ixtD (the comprehensive report on the geology of Mammoth Mountain). They…
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@HubGeology Check page 27 of https://t.co/fnf6P3ixtD (the comprehensive report on the geology of Mammoth Mountain). They describe some phreatic deposits near chair 11 of the ski area with about that date.
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RT @AZGeology: New from USGS: Eruptive history of Mammoth Mtn. ... CA. #Volcanism https://t.co/qCr4kFk3G6 https://t.co/BKR9H68PAO
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RT @AZGeology: New from USGS: Eruptive history of Mammoth Mtn. ... CA. #Volcanism https://t.co/qCr4kFk3G6 https://t.co/BKR9H68PAO