Pamphlets on Conservation of Natural Resources, Volumen18U.S. Government Printing Office, 1909 |
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Página 233
... builds railways , but rather because it has learned how to produce , build and grow without destroy- ing the bases of its future existence . " The Endurance of Resources : Non - Renewable Resources It is important to distinguish between ...
... builds railways , but rather because it has learned how to produce , build and grow without destroy- ing the bases of its future existence . " The Endurance of Resources : Non - Renewable Resources It is important to distinguish between ...
Página 234
... build highways and cities , we change the very face of the earth . While we are thus re- making the environment , we are not always sure that the change is in our own best interest . For example , the elimination of hawks and predators ...
... build highways and cities , we change the very face of the earth . While we are thus re- making the environment , we are not always sure that the change is in our own best interest . For example , the elimination of hawks and predators ...
Página 242
... build . The lakes created behind them may cover thousands of acres of the most fertile farmland and force many people to leave their homes and jobs . Nor do big dams completely solve the flood problem , for it is impossible to protect ...
... build . The lakes created behind them may cover thousands of acres of the most fertile farmland and force many people to leave their homes and jobs . Nor do big dams completely solve the flood problem , for it is impossible to protect ...
Página 303
... build the dikes , they'd maintain them . This is one state problem . The irrigation districts also are practically ignored by the state once they are created . Therefore they look to the Bureau of Reclamation for assistance if they are ...
... build the dikes , they'd maintain them . This is one state problem . The irrigation districts also are practically ignored by the state once they are created . Therefore they look to the Bureau of Reclamation for assistance if they are ...
Página 304
... builds a project , it has to see that the people who receive water from its reservoir pay back in a period of fifty years ... build the irrigation project ? There are numerous competitive elements in public policies secreted by Con ...
... builds a project , it has to see that the people who receive water from its reservoir pay back in a period of fifty years ... build the irrigation project ? There are numerous competitive elements in public policies secreted by Con ...
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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