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<br />SPRING FLOWS <br />Flgurea .2-1 <br />1d <br />14 <br />12 <br />10 <br />6'31 e <br />8 <br />4 <br />2 <br />0 <br />i <br />a <br />~~ 12 <br />10 <br />8 <br />6'15 s <br />4 <br />.2 <br />0 0 <br />1975 1977 1978 1979 1980 1981 1982 1983 <br />