南洋河

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南洋河 flows into 洋河 , which it joins at N 40° 40′ 24″, E 114° 30′ 16″ at OSM node n621125452, and there 444 km of total upstream flows in. load it's distributaries

南洋河 has 2 tributaries.

• (unnamed), which joins it at N 40° 31′ 3″, E 114° 11′ 42″ at OSM node n1597598945, and 140 km of total upstream flows in.
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• 西洋河, which joins it at N 40° 40′ 7″, E 114° 26′ 41″ at OSM node n621125453, and 84 km of total upstream flows in.
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