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Occurrence of Ground Water
Ground Water Movement
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Agric Amer applied artificial recharge boundary Calif capillary Civil Engrs confined aquifer curve Darcy's law depth discharge drainage drawdown drilling Dupuit assumptions electrical electrical resistivity electrodes equation flow lines fluctuations fluid formations Geological Survey Water-Supply Geophysical Union gravel ground surface ground water ground water basin ground water flow ground water levels ground-water hole hydrology impermeable infiltration infiltration galleries investigation irrigation Jour located measure Meinzer method moisture obtained Paleozoic penetrating permafrost permeability piezometric surface porosity porous media pressure Proc pumping recharge rates reservoirs resistivity resistivity logs rock safe yield saline salt sand saturated sea water intrusion seismic refraction shown in Fig soil specific yield storage stream subsurface surface water Survey Water-Supply Paper temperature tion total dissolved solids tracer Trans U. S. Geological Survey unconfined unconsolidated Valley velocity Washington water quality water table Water Works Assoc zone