The National Geographic Magazine, Volume 112National Geographic Society, 1957 - Geography Indexes kept up to date with supplements. |
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Page 513
... tree and cottonwood . ) Timber is now a billion - dollar industry in the South , ahead of the cotton crop and close to the biggest money - maker , tobacco . City people invest in woodland much as they do in stocks and bonds . That trees ...
... tree and cottonwood . ) Timber is now a billion - dollar industry in the South , ahead of the cotton crop and close to the biggest money - maker , tobacco . City people invest in woodland much as they do in stocks and bonds . That trees ...
Page 540
... trees have been planted along 45,000 miles of the Great Plains . Shelter belts protect soil from wind damage for a distance 20 times the height of the trees . Cottonwood , Chinese elm , juniper , hackberry , Osage orange , and many other ...
... trees have been planted along 45,000 miles of the Great Plains . Shelter belts protect soil from wind damage for a distance 20 times the height of the trees . Cottonwood , Chinese elm , juniper , hackberry , Osage orange , and many other ...
Page 550
... Tree , has an estimated age of 3,500 to 4,000 years . Indians Thought Big Trees Immortal Such dimensions of size and age naturally inspire awe . Some of the Indian tribes who lived in these seemingly immortal forests even lacked a ...
... Tree , has an estimated age of 3,500 to 4,000 years . Indians Thought Big Trees Immortal Such dimensions of size and age naturally inspire awe . Some of the Indian tribes who lived in these seemingly immortal forests even lacked a ...
Contents
Cairo Egypt | xvii |
49 | xviii |
Masked Dancers of the Southwest | xxiii |
Copyright | |
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