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<br /> TABLE 9 <br /> LAKE POWELL NET EVAPORATION <br /> 1,000 ACRE-FEET <br /> Pre 1 imi nary* Net Evaporation <br />Calendar Year Net Evaporation This Study <br />1965 200 162 <br />1966 236 219 <br />1967 215 158 <br />1968 237 222 <br />1969 300 261 <br />1970 348 430 <br />1971 39B 484 <br />1972 392 431 <br />1973 441 546 <br />1974 512 518 <br />1975 523 556 <br />1976 544 514 <br />1977 486 537 <br />1978 464 541 <br />Total 5,296 5,579 <br />Average 378 398 <br /> <br />. <br /> <br />* Computed from pan evaporation rate as described under PROCEDURE. <br /> <br />26 <br />