大石川

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大石川 flows into 袋川 , which it joins at N 35° 28′ 9″, E 134° 21′ 41″ at OSM node n749554210, and there 30 km of total upstream flows in. load it's distributaries

大石川 has 2 tributaries.

• 石井谷川, which joins it at N 35° 28′ 10″, E 134° 22′ 37″ at OSM node n749614265, and 5 km of total upstream flows in.
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• (unnamed), which joins it at N 35° 28′ 17″, E 134° 22′ 11″ at OSM node n749616678, and 2 km of total upstream flows in.
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