in running bottom soil and water analyses . 

 Appreciation is also tendered to Mr. Glenn 

 Voskuil who assisted in preparation of the 

 illustrations, and to other personnel who as- 

 sisted in the field work. 



REFERENCES 



1. Appelget, John G., and Lloyd L. Smith, Jr. 



1951 . The determination of age and rate 

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Rafinesque, in the upper Mississippi 

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 the Mississippi River between Caruthers- 

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4. Beckman, William C. 



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1937 . The growth of the large mouthed 

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1 2 . 1955 . The standing crop of fish in lakes . 

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1942. Growth rate studies of Minnesota 

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