Ob (river) - Wikipedia

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File:River Ob.jpg - Wikimedia Commons

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Ob (river) - Wikipedia

File:Ob watershed ru.png - Wikimedia Commons

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Last Glacial Maximum: Ice Sheet, Last glacial Period, Late Glacial Maximum, Iceland, British Isles, Northern Europe, Poland, West Siberian Plain, Taymyr Peninsula, Ob River, Yenisei River. : Miller, Frederic P., Vandome, Agnes