United States Department of tha Interior, Oscar L<, Chapman^, Secretary- 

 Fish and Wildlife Service, Albert Mo Day^ Director 



WATER TEMPERATURES OF THE WILLAMETTE RIVER SYSTEM. 19^0 



By Kingsley Go Weber, Fishery Research Biologist 

 and I^yle G. Schedin, Fishery Aid 



Special Scientific Report: Fisheries Noo 69 



Washington; February 19^2 



