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Creator
- Oregonian (Firm) 25
- Oregon Journal (Firm) 24
- Finley, William L. (William Lovell), 1876-1953 9
- Portland Chamber of Commerce (Or.) 5
- Nature 3
- Averill, Edgar F., 1881-1955 2
- Billings Gazette 2
- Chicago Daily News, Inc. 2
- Oregon City Enterprise Courier (Oregon City, Or.) 2
- San Diego Union-Tribune 2
- Argus Observer 1
- Baker City Herald 1
- Bonneville Dam Fishways Committee 1
- Chicago Tribune (Firm) 1
- Chicago Tribune 1
- Clark, Ernest Dunbar, 1886- 1
- Clough, Ray W. 1
- Columbia River Packers' Association 1
- Commonwealth, Inc. 1
- Duluth News Tribune 1