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1 janv. 1950 - ocean map

Description:

Using the process of Eco sounding Bill Hazen maps the ocean floor finding a 40,000Km mountain range that connects all the oceans together.

Ajouté au bande de temps:

Tectonic plates

il y a 18 h

0

0

19

Date:

1 janv. 1950

Maintenaint

~ Il y a 75 ans

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