Note 126 — Chapter XXVIII · THE GEOGRAPHY OF THE NILE BASIN
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The Ruzi River, which rises to the west of Lake Rudolf, under the fourth degree of north latitude, was considered by the late Captain Wellby to be the southernmost source of the Sobat, but this supposition has not been verified.
The Ruzi or the two Ruzis probably join the three big streams—the Oguelokur, Tu, and Kos—which enter the Giraffe River.