Pamphlets on Conservation of Natural Resources, Volumen18U.S. Government Printing Office, 1909 |
Dentro del libro
Resultados 1-5 de 100
Página 244
... United States . Ithaca , N. Y. , Comstock , 3d ed . , 1949. 534 pp . See pp . 72-73 , 98-100 . Guy - Harold Smith , editor . Conservation of Natural Resources . New York , J. Wiley , 1950. 552 pp . See pp . 236-241 . J. Russell Whitaker ...
... United States . Ithaca , N. Y. , Comstock , 3d ed . , 1949. 534 pp . See pp . 72-73 , 98-100 . Guy - Harold Smith , editor . Conservation of Natural Resources . New York , J. Wiley , 1950. 552 pp . See pp . 236-241 . J. Russell Whitaker ...
Página 250
... United States by 1975 . This would represent an increase of 55 million over our present ( 1955 ) numbers , or more than the equivalent of the present population of the United Kingdom and Ireland . Today we have approximately 478,000,000 ...
... United States by 1975 . This would represent an increase of 55 million over our present ( 1955 ) numbers , or more than the equivalent of the present population of the United Kingdom and Ireland . Today we have approximately 478,000,000 ...
Página 252
... United States " prepared by the Soil Conserva- tion Service in July , 1948 ( available from the Service ) , will indicate clearly the distribution and severity of erosion throughout the country . In a sense it is a strategic map of a ...
... United States " prepared by the Soil Conserva- tion Service in July , 1948 ( available from the Service ) , will indicate clearly the distribution and severity of erosion throughout the country . In a sense it is a strategic map of a ...
Página 254
... United States have occurred in the past thirty years , as is evidenced by the decline in the number and proportion of our farming population . The advent of mod- ern farm machinery has greatly reduced the number of farm hands needed to ...
... United States have occurred in the past thirty years , as is evidenced by the decline in the number and proportion of our farming population . The advent of mod- ern farm machinery has greatly reduced the number of farm hands needed to ...
Página 255
... United States , by Hugh W. Wooten and James R. Anderson . Washington , D. C. , U. S. Gov- ernment Printing Office , 1955. Agriculture Information Bulletin no . 140. 107 pp . 554 . A recent survey of land - use trends in the United ...
... United States , by Hugh W. Wooten and James R. Anderson . Washington , D. C. , U. S. Gov- ernment Printing Office , 1955. Agriculture Information Bulletin no . 140. 107 pp . 554 . A recent survey of land - use trends in the United ...
Contenido
284 | |
290 | |
298 | |
306 | |
39 | |
43 | |
49 | |
55 | |
57 | |
65 | |
71 | |
74 | |
1 | |
1 | |
8 | |
27 | |
28 | |
33 | |
62 | |
79 | |
81 | |
91 | |
114 | |
118 | |
119 | |
144 | |
150 | |
160 | |
162 | |
170 | |
179 | |
vi | |
1 | |
2 | |
8 | |
12 | |
37 | |
86 | |
113 | |
125 | |
136 | |
145 | |
153 | |
157 | |
165 | |
188 | |
227 | |
236 | |
241 | |
242 | |
248 | |
281 | |
297 | |
384 | |
390 | |
398 | |
406 | |
415 | |
419 | |
436 | |
441 | |
443 | |
483 | |
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