Seal? of Miies 



IT? 



Rp* ^ 



RIVER OBSTRUCTION 



INFLUENCE OF MAN-MADE OBSTRUCTIONS (DAM-DYKES, 

 CRUIVES, ETC.) ON SCOTTISH SALMON FISHERIES. 



The shaded portions indicate river basins to which access of Salmon is interfered with by artificial obstructions 



(Founded cm Report of Salmon Fisheries Commission, IWf). 



