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1000 H/rw

FIG. 9.9.6 Graph of sp versus H/rw. (Reprinted from Y.M. Sternberg, 1967, Efficiency of partially penetrating wells, Ground Water II, no. 3:5-8.)

Q V z V z and for closed end

Q V z V z where z = distance from the water level in the well to the impervious stratum in meters.

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