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FRESH-WATER WuSSELS /AND MUSSEL INDUSTRIES/ 

 OF THE UNITED STATES '/ : : : By Robert E. poker ^^^ 



From BULLETIN OF THE BUREAU OF FISHERIES, Volume XXXVI, 1917-18 

 Document No. 865 : : : : : : : : : : : : : : Issued October 25, 1919 





PRICE, 40 CENTS 

 Sold only by the Superintendent of Documents, Government Printing Office, Washington, D. C 



WASHINGTON :::::: GOVERNMENT PRINTING OFFICE 



1919 



