16 marzo 1871 anni - John Settles in Yosemite and discovers first active alpine glaciers

Descrizione:

John settles in Yosemite valley, California. Therein, his discovers the first recorded findings of active alpine glaciers, lending credit to his theories on how glaciers carve out the land around them, forming valleys. His (at the time, fairly revolutionary) theories on glaciers are still widely accepted in the scientific community today.

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