Carte des hautes eaux de la nappe de l'Eocène supérieur en Beauce, année 2002.
Aquifère de l'Eocène supérieur.
source : Nappe de Beauce. Piézométrie Hautes Eaux 2002. Rapport DIREN Centre et IDF (F. Verney et al., 2003)
Pour obtenir plus de détail consulter l'article : http://sigessn.brgm.fr/spip.php?rubrique19
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