Allaby ,Michael Water : its global nature Michael Allaby - New York Facts on File c1992 - 208p.: front., Col.,ill. [some ill] ; 28cm.- - Elements : earth, air, fire, water . ISBN: 081816025266 Subjects--Topical Terms: HydrologyOceonFreshwaterWater-Pollution Dewey Class. No.: 333.9101 / ALL