R E K on Nostr: It is crazy to think of just how far glaciers used to extend in Southeast Alaska. ...
It is crazy to think of just how far glaciers used to extend in Southeast Alaska. There is a reason that the entrance to each glacier arm is bordered by a bar. The bar marks the point of greatest advance of the glaciers during the last ice age.
The glaciers pushed gravel and boulders, then receded, leaving the bar behind.
Published at
2024-06-19 17:03:03Event JSON
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