SSSCo Gleeson, G. W. A Sanitary Survey of the Willamette River 

 from Sellwood Bridge to the Colimbia River« Oregon State 

 College, Engineering Experiment Station, Corvallis, Oregon, 

 Bulletin Number 6, 32 pages, 



lS45o Merryfield, Fred, and W. Go Wilmoto 1945 Progress Report on 



Pollution of Oregon Streams. Oregon State College, Engineering 

 Experiment Station, Corvallis, Oregon, Bulletin Number 19, 62 pages, 



i930o Rogers, H, S«, C. A. Mockmore, and C. D. Adams, A Sanitary Survey 

 of the Willamette Valle;;-, Oregon State College, Engineering Ex- 

 periment Station, Corvallis, Oregon, Bulletin Numbers, 32 pages. 



19 



Interior-=Duplicating Section, Washington, D.C, 

 82518 



