Pamphlets on Conservation of Natural Resources, Volumen18U.S. Government Printing Office, 1909 |
Dentro del libro
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Página 239
... problems : the problem of having too much water , of having too little water , or of having unusable water because of its inferior quality . Any one of these problems is always a critical one for the community , and some communities are ...
... problems : the problem of having too much water , of having too little water , or of having unusable water because of its inferior quality . Any one of these problems is always a critical one for the community , and some communities are ...
Página 251
... problems can be attributed to past and current patterns of land use . One of the most glaring examples lies in the ... problems related to the range as well as to cropland deterioration ; and the bibliography lists items which deal with ...
... problems can be attributed to past and current patterns of land use . One of the most glaring examples lies in the ... problems related to the range as well as to cropland deterioration ; and the bibliography lists items which deal with ...
Página 252
... problems should be considered against the larger background of the national scene . A glance at the " Generalized Map of Soil Erosion in the United States " prepared by the Soil Conserva- tion Service in July , 1948 ( available from the ...
... problems should be considered against the larger background of the national scene . A glance at the " Generalized Map of Soil Erosion in the United States " prepared by the Soil Conserva- tion Service in July , 1948 ( available from the ...
Página 254
... Problems of the South ern Great Plains . Washington , D. C. , U. S. Department of Agriculture , 1954. 15 pp . Paul B. Sears . Deserts on the March . Norman , University of Oklahoma Press , 1947 . 178 PP . The American classic on the ...
... Problems of the South ern Great Plains . Washington , D. C. , U. S. Department of Agriculture , 1954. 15 pp . Paul B. Sears . Deserts on the March . Norman , University of Oklahoma Press , 1947 . 178 PP . The American classic on the ...
Página 255
... problems arises from the overgrazing of the western range lands by livestock . The extent of past damage to the range , both quantitative and in degree of severity , is as dramatic as the worst damage we have done in the past to our ...
... problems arises from the overgrazing of the western range lands by livestock . The extent of past damage to the range , both quantitative and in degree of severity , is as dramatic as the worst damage we have done in the past to our ...
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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