SECLAIMIjSTG overflowed lands in MISSISSIPPI. 



11 



heights as the winter floods. By studying the rainfall data plotted 

 below the hydrograph, and by referring to the watershed map (fig. 2), 

 a clear idea can be obtained of the intensity and extent of the rainfall 

 causing the floods, features that are of great importance in determin- 







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 OMOniDSO)^ 20000H£ Nos->iOvp iiiH^onQ ahqooiv/^ 



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M 

 I 



ing tho maximum rate of run-off. A method of determining tlio 

 prohuhlc. maxitnum rate of run-off by the use of tho hydrograph of 

 tho l^iarl lliver at Jackson was suggested by C. E. Ramser, assistant 

 drainage engineer, and is given below. 



