MINERALWASSERQUELLEN; VALS + VALSERTAL (KANTON GRAUBÜNDEN); KANTON GRAUBÜNDEN (SCHWEIZ); ROCK-FLUID INTERACTION (PETROGRAPHIE); GRUNDWASSERFLUSS + BRUNNENHYDRAULIK (HYDROLOGIE); HYDROLOGISCHE MODELLE + HYDROLOGISCHE MODELLRECHNUNG; AQUIFER + GRUNDWASSERLEITER + WASSERFÜHRENDE SCHICHTEN (HYDROLOGIE); WASSERANALYSE (ANALYTISCHE CHEMIE); MINERALWASSER + TAFELWASSER (GETRÄNKEINDUSTRIE); MINERAL WATER SPRINGS; VALS + VALSERTAL (CANTON OF GRISONS); CANTON OF GRISONS (SWITZERLAND); ROCK-FLUID INTERACTION (PETROGRAPHY); GROUNDWATER FLOW + WELL HYDRAULICS (HYDROLOGY); HYDROLOGICAL MODELS + MATHEMATICAL MODELLING IN HYDROLOGY; AQUIFERS + WATER-BEARING STRATA (HYDROLOGY); WATER ANALYSIS (ANALYTICAL CHEMISTRY); MINERAL WATERS + TABLE WATERS (BEVERAGE INDUSTRY)