SUBTERRANEAN WATERS AND ARTESIAN WELLS.
Subterranean Distribution of the Waters—Admirable
Provisions of Nature—Hydrostatic Laws regulating the
Flow of Springs—Thermal Springs—Intermittent Springs—The
Geysir—Bunsen’s Theory—Artesian Wells—Le Puits de
Grenelle—Deep Borings—Various Uses of Artesian Wells—
Artesian Wells in Venice and in the Desert of Sahara 39