Class B river system (Q11371756)
river classification in Japan
Language:
Current Data About Class B river system
(P17) (Q17)
(P92) (Q11553847)
(P279) (Q285451)
(Q166620)
(P1705) "二級水系" (language: ja)
(P1814) にきゅうすいけい
(P4330) (Q98242280)
other details
description river classification in Japan

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