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Figure 5 <br />Surface Water and Ground Water Efficiencies <br />80% <br />70% <br />60% <br />C <br />V 50% <br />L <br />a <br />~ 40% <br />v <br />c <br />N <br />~U 30% <br />w <br />20% <br />10% <br />0% <br />• ~ r <br />•~ <br />1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 <br />Surface Water System Efficiency Ground Water Application Efficiency <br />cureport_6-2004.doc 7 of 48 June, 2004 <br />