Lincoln, John H. And Richard F. Foster
United Stateds Department of Interior
ziebell, Charles D. And Mills, Alvin D.
Federal Water Pollution Control Administration
Bodien, Danforth (Federal Water Pollution Control Administration)
American Geographical Union
Saxton, Walter W. And Young, Albert
Washington State Department of Health
Hambleton, William W. And Merriam, Daniel F.
Wilson, George Samuel et al
Engineering Experiment Station Oregon State College
Engineering Experiment Station Oregon State College
Engineering Experiment Station Oregon State College
Engineering Experiment Station Oregon State College
Washington Pollution Control Commission
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