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<br /> <br />. <br /> <br />or2234 <br /> <br />Moore and Wood <br />Oral - GSA <br /> <br />Seven mass measurements of wells have been made since <br /> <br />1963, and water-level-change maps have been constructed. <br /> <br />Figure 4.--Water-level change map (May to August 1964). <br /> <br />An example of water-level changes between May and August <br /> <br />1964 is shown on this map. The changes in water level are <br /> <br />shown by colors. Water-level declines were as great as 6 <br /> <br />feet (shown in red), and water-level rises were less 'than a <br /> <br />foot (shown in brown). The average decline was about 3 feet. <br /> <br />The black dots on the map indicate irrigation or municipal <br /> <br />. wells. Areas of greatest decline correspond to areas of <br /> <br />greatest withdrawals of ground water. The net loss from <br /> <br /> <br />. <br /> <br />ground-water storage, as indicated by the change map, was <br /> <br />about 5,000 acre-feet. About 12,000 acre-feet of ground <br /> <br />water was pumped during this period. <br /> <br />