老龙河

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老龙河 flows into the sea: 40 km flows in at N 39° 25′ 49″, E 116° 54′ 55″ at OSM node n1480458864.

老龙河 has 1 tributaries.

• (unnamed), which joins it at N 39° 26′ 11″, E 116° 51′ 29″ at OSM node n9310546180, and 51 km of total upstream flows in.
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