安国第一幹線川

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安国第一幹線川 flows into 湧別川 , which it joins at N 44° 3′ 48″, E 143° 32′ 19″ at OSM node n1476305804, and there 1,081 km of total upstream flows in. load it's distributaries

安国第一幹線川 has 1 tributaries.

• 福田川, which joins it at N 44° 2′ 18″, E 143° 31′ 45″ at OSM node n1476291003, and 4 km of total upstream flows in.
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