13 people found
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Bob Marshall (wilderness activist)
Wilderness activist
Frank H. Wadsworth
American forester and conservationist
Leo Heikkinen
American forester
Myroslav Chapovsky
Lewis Grosenbaugh
American forester
Horace Richard Josephson
American forester
George Zappettini
Forester
Ivan Sack
Forester
Basil Keller Crane
Forester and botanist
Henry Edward Clepper
American forester
F. Bruce Lamb
Author and tropical forestry specialist
Ken C. Wise
Canadian-American forester
Joseph E. Ibberson
American forester
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