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Дванадцять держав світу сумістно вивчали материк (apr 1, 1957 – apr 1, 1958)

Description:

Міжнародний геофізичний рік (МГР)

Added to timeline:

ГЕОГРАФИЯ (АНТРАКТИДА)

ByLiza Safina
15 Mar 2021
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319

Date:

apr 1, 1957
apr 1, 1958
~ 12 months

Images:

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