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U.S. DEPARTMENT OF COMMERCE 

 Peter G. Peterson, Secretary 



NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION 

 Robert M. White, Administrator 



NATIONAL MARINE FISHERIES SERVICE 

 Philip M. Roedel, Director 



NOAA Technical Report NMFS SSRF-653 



The Use of Electricity in 

 Conjunction With a 

 12.5-Meter (Headrope) 

 Gulf-of-Mexico Shrimp Trawl in 

 Lake Michigan 



JAMES E. ELLIS 



"Marine Biological Labuiatory 

 LIBRARY 

 SEP 13 1972 



Woods Hole, Mass 



SEATTLE, WA 

 March 1972 



For sale by the Superintendent of Documents, U.S Government Printing Office 

 Washington, D.C., 20402 - Price 25 cents 



