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Forests of Porto Rico
Andrew Robeson Whitson
Carleton Roy Ball
Charles Brooks
Charles Dwight Marsh
Charles Franklin Creswell
Elmer Ottis Wooton
Emil George Boerner
Ernest Kelly
Frank Hurlbut Chittenden
Frank Leslie Simanton
Fred Taylor
Harry Clay Campbell
Harry Nelson Vinall
James Girvin Peters
James Robert Weir
John Regester Humphrey
Louis Sutliffe Murphy
Maud Louise Mason Obst
Prévost Hubbard
Ralph Wesley Howe
Robert Asa Cushman
Samuel Clarke Hood
Vernon Marshall Peirce
W. S. Dean
A. B. Clawson
Charles Henry Moorefield
Clyde Evert Leighty
D. F. Fisher
Dwight Isely
Frank Herbert Jackson
Herbert Bradley Hendrick
Lee Briggs Cook
Roland McKee
William Horace Kerr
Hadleigh Marsh
J. A. Gamble
其他書名
Past, Present, and Future and Their Physical and Economic Environment
出版
U.S. Department of Agriculture
, 1916
URL
http://books.google.com.hk/books?id=-InHzgEACAAJ&hl=&source=gbs_api
