30 -i 



E 

 o 



LLI 

 _l 

 < 



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 w 



20 



10 







J F M A M J J 



BAYOU RIGAUD 



-i 1 r 



A S 



N 



MONTHS 



Figure 9. Seasonal variation in water level in the 

 MDPR for an average year (from R. H. Baumann, 

 Louisiana State University, unpublished data). 



19 



