FISHERY INDUSTRIES OF THE UNITED STATES, 1931 



407 



Lake fisheries of the United States, 1930 — Continued 

 CATCH: Bt gear— Continued 



' From streams tributary to Lakes Michigan, Huron, and Erie. The mussel shells taken in streams 

 tributary to Lakes Huron and Erie, which were inconsiderable, have been included with those taken in 

 Lake Micnigan, State of Michigan, to avoid disclosure of private enterprise. 



