Delimitation of groundwater masses
__Origin__
Geometric modelling depends on the type of l' challenge and its modeling in the data source or geographical repository from which it comes. A stake is usually represented by a polygon, a polyline, or a point with a spatial resolution sufficient to appreciate s' it is concerned by one or more zones of #x27;aira.
__Partner organisations__
DDT Loir-et-Cher
__Links annexes__
* [XML metadata view](http://ogc.geo-ide.developpement-durable.gouv.fr/csw/all-dataset?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&RESULTTYPE=results&elementSetName=full&TYPENAMES=gmd:MD_Metadata&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&ID=fr-120066022-jdd-35ccdc55-b497-4b6e-8910-606eb39f3108)
* [COVADIS data standard: Issue at issue of #x27;a PPRN](http://geostandards.developpement-durable.gouv.fr/afficherPageStandard.do?jeu=N_ENJEU_PPRN_AAAANNNN_S)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/884da4f184f8d833e2701e5a6cabdaf70150c771)
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