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Creator
- Oregonian (Firm) 34
- Oregon Journal (Firm) 25
- Finley, William L. (William Lovell), 1876-1953 7
- Oregon City Enterprise Courier (Oregon City, Or.) 6
- Portland Chamber of Commerce (Or.) 5
- Santa Barbara News-Press 3
- Billings Gazette 2
- Chicago Daily News, Inc. 2
- Finley, Irene 2
- Izaak Walton League of America 2
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Recipient
- Buck, C. J. 2
- Finley, William L. (William Lovell), 1876-1953 2
- Parsons, Philip A. (Philip Archibald), 1879-1943 2
- Stanbery, V. B. (Van Buren), 1889- 2
- Advisory Committee on Rural Land Zoning 1
- Averill, Edgar F., 1881-1955 1
- Bean, Lucile G. 1
- Cooper, Forrest E. 1
- Douglas County Planning Commission (Or.) 1
- Gabrielson, Ira Noel, 1889-1977 1
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Topic
- Water--Pollution 67
- Rivers--Oregon 49
- Lectures and lecturing 19
- Fishes--Conservation 10
- Izaak Walton League of America 10
- Salmon 9
- Sewage disposal plants 9
- Dams 6
- American wit and humor, Pictorial 5
- Oregon--Politics and government 5
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 27
- Columbia River >> Clatsop County >> Oregon >> United States 12
- Portland >> Washington County >> Oregon >> United States 10
- Alaska >> United States 3
- Malheur National Wildlife Refuge >> Harney County >> Oregon >> United States 3
- Oregon >> United States 3
- Rogue River >> Curry County >> Oregon >> United States 3
- Curry County >> Oregon >> United States 2
- Rockaway Beach >> Tillamook County >> Oregon >> United States 2
- Upper Klamath National Wildlife Refuge >> Klamath County >> Oregon >> United States 2
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Decade
- 1930-1939 67