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Investigations were conducted in Arizona during the early 1980's to obtain hydrologic data in order to deliver 30,000 acre-feet of water annually to the Ak-Chin Indian Reservation. A recharge experiment produced infiltration rates for an ephemeral stream channel that ranged from 0.64 to 1.09 cubic feet per second per 1,000 feet of channel length. Water moved vertically through the 330-foot-thick unsaturated zone to the water table in less than 5 days.
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USGS Numbered Series
Determination of hydraulic characteristics and yield of aquifers underlying Vekol Valley, Arizona, using several classical and current methods
Water Supply Paper
U.S. G.P.O. ;
For sale by the U.S. Geological Survey Information Services,