U. S« Bureau of Census 



1940 Sixteenth census of the United States. Population, No. of 

 Inhabitants., Vol. 1, Gov't. Print. Office, Washington,D.C. 



U. S. Geological Survey 



1930~19i^5 Surface vrater supply of the United States, Part 14, 

 Pacific Slope Basins in Oregon and Lower Columbia 

 River Basin. Yearly Reports. 



Rich, tr. H. 



' 1948 A Survey of the Colunbia River and its tributaries with 

 special reference to the management of its fisheries 

 resources. No. 1 Introduction. U. S. Fish and Wildlife 

 Service Special Scientific Report No. 51- 26 pp. illus. 



Fish Commission of Oregon 



1948 Fish Commission Research Briefs, Vol. 1, No. 2. 



103 



Interior-Duplicating Section, Washington, DoC. 



