Pamphlets on Conservation of Natural Resources, Volumen18U.S. Government Printing Office, 1909 |
Dentro del libro
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Página 233
... possible conditions for the continuing growth of plant and animal life and for the protection of watersheds and waterways . The ultimate aim of conservation is to leave our earth as rich and productive as we found it . William Dean ...
... possible conditions for the continuing growth of plant and animal life and for the protection of watersheds and waterways . The ultimate aim of conservation is to leave our earth as rich and productive as we found it . William Dean ...
Página 234
... possible , but it is not inevitable . For man is seldom a wise husbandman . It is true that in his continuing pursuit of progress , too often he cannot avoid changing radically the world of nature . As we clear forests , plow the ...
... possible , but it is not inevitable . For man is seldom a wise husbandman . It is true that in his continuing pursuit of progress , too often he cannot avoid changing radically the world of nature . As we clear forests , plow the ...
Página 243
... possible to eliminate water pollution entirely ; eco- nomically it is not . However , it is both economically feasible and highly desirable to mitigate existing conditions - and to prevent additional pol- lution in waters now relatively ...
... possible to eliminate water pollution entirely ; eco- nomically it is not . However , it is both economically feasible and highly desirable to mitigate existing conditions - and to prevent additional pol- lution in waters now relatively ...
Página 282
... Resources for the Future , Inc. , whose assistance has made the CRUE Project possible . GEORGE L. FERSH , Director Conservation and Resource - Use Education Project TABLE OF CONTENTS PREFACE GEORGE L. FERSH Historical Impact of iv.
... Resources for the Future , Inc. , whose assistance has made the CRUE Project possible . GEORGE L. FERSH , Director Conservation and Resource - Use Education Project TABLE OF CONTENTS PREFACE GEORGE L. FERSH Historical Impact of iv.
Página 302
... possible to make full use of the flood potentialities of the reservoir , although some changes were made and it is now partly being used for flood control . Grand Coulee is an even better illustration of absence of any concern about ...
... possible to make full use of the flood potentialities of the reservoir , although some changes were made and it is now partly being used for flood control . Grand Coulee is an even better illustration of absence of any concern about ...
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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