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/fr/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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Исследование водных объектов (15 avr. 1919 – 15 avr. 1941)
Description:
Количество гидропостов на реках и озерах республики выросло до 170. На них проводились наблюдения за уровнем воды и гидро- логическим режимом.
Ajouté au bande de temps:
География
By
Ирина
11 nov. 2019
0
0
427
Date:
15 avr. 1919
15 avr. 1941
~ 22 years
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