1 .^dB S^W. 



A/ W£NT OV K 



U.S. DEPARTMENT OF COMMERCE 

 Maurice H. Stans, Secretary 



NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION 

 Robert M. White, Administrator 



NATIONAL MARINE FISHERIES SERVICE 

 Philip M. Roedel, Director 



NOAA Technical Report NMFS SSRF-645 



Traveling Screen for Removal of 

 Debris From Rivers 



DANIEL W. BATES, ERNEST W. MURPHEY, and MARTIN G. BEAM 



"Marine Biological Uboialui" 



LIBRARY 

 SPP131972 



Woods Hole, Mass. 



SEATTLE, WA. 

 October 1971 



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

 Washington. DC, 20402 - Price 25 cents Stock Number 0320-0016 



