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Generic Code of a watercourse

Identifier of a hydrographic structure, which can be a natural or developed watercourse, or a natural or developed section of a river, a man-made waterway (channel, etc), a body of water or a shoreline.

Source: 
According to Onema
Identifiant: 
http://www.glossaire.eaufrance.fr/concept/generic-code-watercourse
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