Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 48
e well is filled ashigh as the ground water level. The ground water level risesin wet weather and falls in dry weather; and the water level inthe well rises and falls with it. Since the ground water is mov-ing, the water in the well is constantly changing. Water flowsin on the side A and out on the… … FIG. 15. — Conditions which produce artesian or flowing wells. many parts is made up of distinct strata; some of these areporous to water, and others are nonporous. Four strata arerepresented in Fig. 15. Two are porous and two nonporous.These strata may be hundreds of miles in extent. Rain…
Physics · Home Economics
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