Earth Sciences SCIENCE 17 Geography 12 Geology 9 Histoire 4 History 4 Meteorology & Climatology 4 Affaissements (Mouvements du sol) 3 Approvisionnement 3 Budget 3 Eau 3 Gestion 3 Hikes & Walks 3 Hydrodynamics 3 Hydrodynamique 3 Hydrologie 3 Hydrologie karstique 3 Hydrology 3 Hydrology, Karst 3 Limnology 3 Management 3 Mathematical models 3 Modèles mathématiques 3 Museums, Tours, Points of Interest 3 Parks & Campgrounds 3 Recherche 3 Research 3 SOCIAL SCIENCE 3 Sinkholes 3 Subsidences (Earth movements) 3