Pamphlets on Conservation of Natural Resources, Volumen18U.S. Government Printing Office, 1909 |
Dentro del libro
Resultados 1-5 de 100
Página 234
... produce crops without water ; run - off cannot be delayed nor water stored and maintained in the ground without forests and grasslands ; animal life , in multitudinous forms , makes the soils productive and plays an indispensable role ...
... produce crops without water ; run - off cannot be delayed nor water stored and maintained in the ground without forests and grasslands ; animal life , in multitudinous forms , makes the soils productive and plays an indispensable role ...
Página 236
... production of cattle ? Should they be set aside as a refuge for wildlife , or made available for picnicking , camping , hunting or fishing ? All these interests have legitimate claims on the nation's resources , and the claims often ...
... production of cattle ? Should they be set aside as a refuge for wildlife , or made available for picnicking , camping , hunting or fishing ? All these interests have legitimate claims on the nation's resources , and the claims often ...
Página 240
... production of a ton of sulphate paper uses about the same . Industrial demands for water are specially great in the new plastic , synthetic fiber , chemical , and atomic - energy plants . Much of the water used in industry can be used ...
... production of a ton of sulphate paper uses about the same . Industrial demands for water are specially great in the new plastic , synthetic fiber , chemical , and atomic - energy plants . Much of the water used in industry can be used ...
Página 256
... A collection of short articles on " grass in the nation's life " written by the staff of the Department of Agriculture . See pp . 25-33 , 45-65 , 212-226 . THREE Forest Resources and Management Today production of timber and 28.
... A collection of short articles on " grass in the nation's life " written by the staff of the Department of Agriculture . See pp . 25-33 , 45-65 , 212-226 . THREE Forest Resources and Management Today production of timber and 28.
Página 257
THREE Forest Resources and Management Today production of timber and timber - based industries totals consider- ably more than fifteen billion dollars annually . Had we managed our forest resources with prudence and intelligence in the ...
THREE Forest Resources and Management Today production of timber and timber - based industries totals consider- ably more than fifteen billion dollars annually . Had we managed our forest resources with prudence and intelligence in the ...
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Términos y frases comunes
acres agencies Agriculture annual areas bill boys Bureau CAGNEY camp Chairman Civilian Conservation Corps Commission committee Congress conservation movement Construction cooperation coordination cost Council delinquency Department Douglas-fir economic enrollees existing facilities Federal Government fire Forest Fire forest land FOREST PROTECTION Forest Service forestry Gifford Pinchot Governor habitat important improvements increase industry Insect and Disease interest Interior January 26 juvenile Kalamazoo River labor legislation Maintenance Management and administration ment miles million acres mineral national forests national-forest natural resources organization parks percent plans planting population present President problems production proposed recommendations recreation Reforestation regional resource development Resource Management Resources and Conservation responsibility river roads and trails Senator CLARK Senator Humphrey SENATOR MURRAY Senator RANDOLPH Silviculture statement streams surveys Theodore Roosevelt Timber purchasers tion U.S. Senate United utilization Washington watershed welfare wildlife young Youth Conservation Corps