Сема

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Сема flows into (unnamed) , which it joins at N 68° 2′ 35″, E 30° 21′ 32″ at OSM node n519291212, and there 27 km of total upstream flows in. load it's distributaries

Сема has 1 tributaries.

• (unnamed), which joins it at N 68° 1′ 11″, E 30° 23′ 24″ at OSM node n5221907026, and 12 km of total upstream flows in.
load it's tributaries