Flood protection dam and submersion or dyke of canalised canals and rivers represented by a point — Haute-Garonne
Description
October 2008.
Spot location under Cascade of a flood protection dike and submersion or a dyke of canals and rivers
They are referred to in Article 3260 of Decree No 2006-881 of 17 July 2006.
A similar layer N_DIGUE_L describes the dikes linearly. The ad hoc representation was introduced only for the sake of consistency with Cascade
at the end of 2006.
Water retention dams are described in layers N_OUVRAGE_RETENUE_P and N_OUVRAGE_RETENUE_L
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