Image talk:Manchuria basin1.JPG

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The drainage area of Amur River is not very precise. Amur River has two major upstream branches: one along the border between Mongolia and Russia and another along the border between China's Inner Mongolia and Russia. The drainage region of the upstreams of Amur River, which is to the west of "Sugari/Nen Drainage Basin", is not depicted in the image. --Jiejunkong 22:19, 7 July 2007 (UTC)

See Argun River (Asia), it is the major upstream of Amur River.--Jiejunkong 01:18, 10 July 2007 (UTC)