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 474
... felled , much prepara- tion is necessary . So tall a stick without any limbs nearer the ground than eighty or a hundred feet , is in great danger of breaking in the fall . To prevent this , the workmen have a contrivance which they call ...
... felled , much prepara- tion is necessary . So tall a stick without any limbs nearer the ground than eighty or a hundred feet , is in great danger of breaking in the fall . To prevent this , the workmen have a contrivance which they call ...
Page 481
... felled , and , as far as may be , even those which he has barked . By this process the roots of the bushes are in a great measure destroyed ; yet they require to be more carefully grubbed out of land , which is to be thoroughly cleared ...
... felled , and , as far as may be , even those which he has barked . By this process the roots of the bushes are in a great measure destroyed ; yet they require to be more carefully grubbed out of land , which is to be thoroughly cleared ...
Page 484
... felled & in the roots which still remain in the ground has abated . If this is deferred till July the trees will be in less forwardness for burning , & the sowing of the corn in the ensuing spring will be interfered with . It is a great ...
... felled & in the roots which still remain in the ground has abated . If this is deferred till July the trees will be in less forwardness for burning , & the sowing of the corn in the ensuing spring will be interfered with . It is a great ...
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