planification urbaine (1) temps (durée) (1) eau de surface (1) eau pluviale (1) papier (1) indicateur (1) eaux souterraines (1) environnement (1) analyse chimique (1) densité (1) Density (1) Thematic maps (1) Case (1) Area (1) Area (1) Work (1) Wells (1) Groundwater (1) Water (1) Value (1) Time (1) Struggle (1) Series (1) Reason (1) Rainwater (1) Rain and rainfall (1) Paper (1) Nature and nurture (1) Impact (1) Groundwater flow (1)