(unnamed)

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(unnamed) flows into 中川 , which it joins at N 35° 56′ 45″, E 139° 49′ 28″ at OSM node n1047915108, and there 203 km of total upstream flows in. load it's distributaries

(unnamed) has 2 tributaries.

• 中川, which joins it at N 35° 57′ 3″, E 139° 49′ 12″ at OSM node n249684061, and 194 km of total upstream flows in.
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• 九尺排水路, which joins it at N 35° 57′ 29″, E 139° 48′ 49″ at OSM node n1047496185, and 4 km of total upstream flows in.
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