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Creator
- Oregon Journal (Firm) 1
- Oregon State Planning Board 1
- Rettie, James C. (James Cardno), 1904-1969 1
- Schoenfeld, William A. 1
- Sexton, Virgil L. 1
- United States. Bureau of Reclamation 1
- United States. National Resources Committee 1
- Washington (State). Legislature 1
- Wiecking, Ernst H. 1
- Willard, Rex E. 1
- Wilson, Sinclair A., 1888-1948 1
- Ziesenhenne, Fred C. 1
