FISHERY INDUSTRIES OF THE UNITED STATES, 1932 449 



Fisheries of Mississippi River between Lake Pepin and Lake Keokuk, 1931 — Con. 



STATISTICAL SURVEY PROCEDURE 



For data on the statistical survey procedure generally followed in 

 collecting and compiling the figures given in part 2 of this report and 

 also for a list of common and scientific names of the fishery products 

 mentioned in this report, the reader is referred to "Fishery Industries 

 of the United States, 1931", Appendix U to the Report of the Com- 

 missioner of Fisheries for the fiscal year 1932. 



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