United States Department of the Interior, Fred A. Seaton, Secretary 

 Fish and Wildlife Service, Arnle J. Suomela, Coamlssloner 



LAKE SUPERIOR LIHNOLOOICAL DATA 

 1951 - 1957 

 Compiled and analyzed 

 by 



Alfred II. Beeton, James H. Johnson, and Stanford H. Smith 

 Fishery Research Biologists 

 Bureau of Commercial Fisheries 



Collected by 



U. S. Fish and Wildlife Service 



and 



U. S. Lake Survey 



United States Fish and Wildlife Service 

 Special Scientific Report — Fisheries No, 297 



Washington, D. C. 



April 1959 



