XFWS-A 610 1-14 (1970) 

 U.S. Fish Wildl. Serv. 

 OlU ^ Spec. Sci. Rep. Fish. 



Limnological Study of Lower 

 Columbia River, 1967-68 



AUG I 01971 



WOODS HOLE, MASS. 



SPECIAL SCIENTIFIC REPORT-FISHERIES Na 610 



UNITED STATES DEPARTMENT OF THE INTERIOR 



