Ob River：File
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Gulf of Ob
https://en.wikipedia.org
The Gulf of Ob is a bay of the Arctic Ocean, located in Northern Russia at the mouth of the Ob River. It is the world's longest estuary. Gulf of Ob.
Ob (river)
https://en.wikipedia.org
The Ob (Обь, IPA: [opʲ]) is a major river in Russia. It is in western Siberia; and together with Irtysh forms the world's seventh-longest river system, ...
Ob (river)
https://simple.wikipedia.org
The Ob is a river in Siberia. Together with the Lena and the Yenisei, it is one of the most important rivers of Siberia. Depending upon how its length is ...
Ob River - Indigenous
https://www.britannica.com
The Ob, one of western Siberia's principal means of transportation, is navigable for about 190 days of the year on its upper reaches and for 150 on its lower.
Ob River
https://kids.britannica.com
The Ob is the westernmost of the three great Asian rivers of Russia. These rivers—the Ob, Yenisey, and Lena—flow northwestward across Siberia to the Kara ...
Ob River
https://www.britannica.com
One of the greatest rivers of Asia, the Ob flows north and west across western Siberia in a twisting diagonal from its sources in the Altai Mountains to its ...
The Ob River
https://www.worldatlas.com
The Ob River, the seventh longest river in the world, flows for a distance of 3,650 kilometers in the Western Siberia region of the Russian Federation.