52 FISHERY INDUSTRIES OF THE UNITED STATES. 



Shad vnd Alewife Fishery of the Potomac River, 1920. 



1 Includes 1 haul seine, with the catch, operated in Maryland. 



FISH, FROZEN. 



COLD-STORAGE HOLDINGS DURING 1920. 



Beginning with October 15, 1917, the Bureau of Markets of the 

 Department of AOTiculture has issued monthly mimeographed reports 

 of the storage holdings of frozen and cured fish and also a bulletin 

 (No, 792) for holdings in 1918, in which the storage holdings a,re 

 presented in diagrammatic form with discussions and tables. Brief 

 summaries of holdings of frozen fish have appeared in The Market 

 Reporter, published weekly by the same bureau. During 1920 the 

 monthly mimeographed memoranda have contained the storage 

 holdings on the fifteenth of the month by species, cornparisons of 

 holdings with other months, quantities frozen and quantities delivered 

 since the fifteenth of previous month, comparisons with holdings at 

 fifteenth of previous month, and storage holdings by geographic 

 sections. 



Appended is a summary of the holdings by species and by months 

 for 1920, including totals for 1918 and 1919, which have been com- 

 piled from the reports of the Bureau of Markets: 



