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Effects of Grazing Intensity Upon Vegetation
Edward Robert Baush
Howard Boyd Peterson
Howard W. Johnson
Marshall Weddel Stone
Orson Northrop Eaton
Theodore R. Wright
Wallace M. Johnson
Weldon Owen Shepherd
Wells Aleck Hutchins
Byron Lester Southwell
D. H. Bixby
Harry Edward Goresline
Samuel George Lehman
Victor Leonidas Simmons
Donald William Chamberlain
F. B. Foley
James William Stevenson
其他書名
And Cattle Gains on Ponderosa Pine-bunchgrass Ranges of the Front Range of Colorado
出版
U.S. Department of Agriculture
, 1953
URL
http://books.google.com.hk/books?id=07-dAQAACAAJ&hl=&source=gbs_api