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United States Forest Service 115 Northeastern Forest Experiment Station (Radnor, Pa.) 32 Southeastern Forest Experiment Station (Asheville, N.C.) 25 Food and Agriculture Organization of the United Nations 24 Southern Forest Experiment Station (New Orleans, La.) 22 California Division of Forestry 18 Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) 17 Pacific Northwest Forest and Range Experiment Station (Portland, Or.) 16 Forest History Society 14 Intermountain Forest and Range Experiment Station (Ogden, Utah) 14 American Forestry Association 12 California State Board of Forestry 11 Canada Forestry Branch 11 Civilian Conservation Corps (U.S.) 11 Lake States Forest Experiment Station (Saint Paul, Minn.) 11 New South Wales Forestry Commission 11 North Carolina State University School of Forest Resources 11 Pacific Northwest Research Station (Portland, Or.) 11 Society of American Foresters 11 United States Forest Service. Southern Research Station 11 Forest Products Laboratory (U.S.) 10 Great Britain Forestry Commission 9 Indonesia Direktorat Jenderal Kehutanan 9 Maine Forest Commissioner 9 Queensland Forest Service 9 South Africa Department of Forestry 9 Canadian Forestry Service 8 Central States Forest Experiment Station (Columbus, Ohio) 8 Forest Products Research Laboratory (Princes Risborough, England) 8 New Zealand Forest Service 8 see all ...

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1600-1868 1 1945- 1 20 w 1 20th century 1

United States 183 China 75 Canada 70 Indonesia 65 India 55 Southern States 55 Australia 54 Japan 53 California 41 Northeastern States 37 Northwest, Pacific 35 Tropics 31 Great Britain 28 New Zealand 28 Oregon 28 Rocky Mountains Region 25 New York (State) 24 France 23 Malaysia 23 Philippines 23 Germany 22 Nigeria 20 South Africa 18 Washington (State) 18 Korea (South) 17 Queensland 17 Brazil 16 Georgia 16 Mexico 16 Turkey 16 see all ...