Pamphlets on Conservation of Natural Resources, Volumen6U.S. Government Printing Office, 1913 |
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Página 19
... protection there can be no forestry . The report covers fully the first topic in fire prevention by States , by the Federal Government , and by private interests . The general situation , including the definite results from systematic ...
... protection there can be no forestry . The report covers fully the first topic in fire prevention by States , by the Federal Government , and by private interests . The general situation , including the definite results from systematic ...
Página 40
... protection . Fairs may also be made to impress the public with the essential part of forest industry in community ... protect them thoroughly . Public speaking ourselves is effective largely in the measure that we realize how to add to ...
... protection . Fairs may also be made to impress the public with the essential part of forest industry in community ... protect them thoroughly . Public speaking ourselves is effective largely in the measure that we realize how to add to ...
Página 47
... protection by fire lines and by other means has proven adequate to protect planted forest adjoining railroads and which was open to danger from other causes of fires . A decade of educational work and organized fire preven- tion has ...
... protection by fire lines and by other means has proven adequate to protect planted forest adjoining railroads and which was open to danger from other causes of fires . A decade of educational work and organized fire preven- tion has ...
Página 52
... protect the purity of supply . Such lands offer the best protection if forested . Even though the water may be filtered before use , benefit is derived from forested water- sheds . Lands acquired on watersheds usually include many open ...
... protect the purity of supply . Such lands offer the best protection if forested . Even though the water may be filtered before use , benefit is derived from forested water- sheds . Lands acquired on watersheds usually include many open ...
Página 53
... Protection of these forests from fire and the proper cutting of mature timber so as to provide for another crop of valuable trees on sale areas are given a place of first impor- tance in the federal policy . Next to this is placed the ...
... Protection of these forests from fire and the proper cutting of mature timber so as to provide for another crop of valuable trees on sale areas are given a place of first impor- tance in the federal policy . Next to this is placed the ...
Términos y frases comunes
acres administration agricultural American Forestry Association amount annual average camp cent Chairman commercial companies conifers Conservation Congress consumer cooperation cost course Douglas fir effect eucalyptus favor Federal Government feet field fire protection fire wardens forest fires forest land forest law forest products forest protection forest schools Forest Service forest taxation Forestry Committee future grades growth hardwood important increase interest investment legislation logging lumber lumber industry lumbermen manufacturing meeting methods mill moisture mountains national forests operations Oregon organization patrol patrolmen planting possible practical precipitation present private forestry private owners problem profit property tax railroad ranger school reason reforestation region revenue sections secure silvicultural soil spark arresters species stumpage sub-committee supply timber land timber owners tion town trees utilization waste white pine woods yellow pine yield tax