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/fr/
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30 déc. 1856 - James Alden discovers deep sea valley.

Description:

Now known to be the first sea-floor canyon.

Ajouté au bande de temps:

History of Marine Science.

ByNoah Williams
6 févr. 2018

Date:

30 déc. 1856
Maintenaint
~ Il y a 167 ans

Les images:

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