392 U. S. BUREAU OF FISHERIES 



Cooperative nurseries and rearing ponds supervised by the Bureau in 



-Contd. 



SALVAGE OPERATIONS 



The removal and transfer to other waters of 22,873,000 fish taken 

 in land-locked sloughs along the Upper Mississippi River was sharply 

 below the normal extent of this work. In an average season, 50,000,- 

 000 fish may be salvaged and in some seasons as many as 75,000,000. 

 The curtailment was due mainly to the reduced appropriations, which 

 made it impossible to put sufficient crews into the field to cover the 

 territory. As usual the greater proportion of the rescued fish were 

 returned directly to the open waters of the IMississippi River. Greater 

 dependence is being placed upon the fish produced in artificial ponds 

 within the refuge for distribution in distant sections. In this con- 

 nection one of the C. W. A. projects mentioned previously was the 

 construction of a large pond within the refuge near Genoa, Wis. The 

 rescue work is largely supported by funds appropriated for adminis- 

 tration of fishery matters in the Upper Mississippi Wild Life Refuge. 



