Symposium on Forestry and the Public Welfare: Papers Read Before the American Philosophical Society, Autumn General Meeting November 17, 1944American philosophical society, 1945 - 90 pages |
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Page 414
... require- ments for well - being of a people . New discoveries in use of wood as a raw material also affect the minimum requirements of people for wood . Under primitive conditions the per capita needs for wood were small , but in a ...
... require- ments for well - being of a people . New discoveries in use of wood as a raw material also affect the minimum requirements of people for wood . Under primitive conditions the per capita needs for wood were small , but in a ...
Page 419
... require nor permit imports in this volume . It seems safe to assume , however , that very large quantities of lumber will be needed immediately , along with cement , metals , brick , and stone , for rebuilding towns and cities , farm ...
... require nor permit imports in this volume . It seems safe to assume , however , that very large quantities of lumber will be needed immediately , along with cement , metals , brick , and stone , for rebuilding towns and cities , farm ...
Page 431
... requires that such slash shall be scattered , with all tops lopped up as far as a diameter of three inches , to ensure ... require- ments are that the mill operator keep on hand a minimum set of fire tools , and that when sawdust , slab ...
... requires that such slash shall be scattered , with all tops lopped up as far as a diameter of three inches , to ensure ... require- ments are that the mill operator keep on hand a minimum set of fire tools , and that when sawdust , slab ...
Contents
Forests in Relation to Soil and Water | 399 |
Worldwide Needs of Woods as a Land Conservation Crop | 408 |
Americas Role in Meeting World Timber Needs | 418 |
3 other sections not shown
Common terms and phrases
agricultural American forest American Philosophical Society André François André Michaux ashes billion burning cedar cent century clearing climate cooperation corn crop cubic feet cultivation deforestation destruction developed district economic especially Europe European farm felled fence fire forest conservation forest industries forest land forest owners forest products Forest Service Forests and Parks fuel Government ground growing growth Humphrey Marshall hundred important improvement cutting increase JEREMY BELKNAP John Bartram John Evelyn labor Lebanon less logs lumber lumber industry manufacture mast measures ment Michaux mountains nature needs November 17 operation ownership paper pasture Pennsylvania Philadelphia pine plants pot ashes present problem protection public ownership pulp pulpwood raw materials region Regulation settlements settlers ship slopes soil stands stumps supply surface runoff timber timber products timberland tion tracts Travels trees United Virginia wind wood products wood pulp woodland woodlot