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 405
... methods may count even more heavily and more effectively . An eighth and closely allied factor is the greater economic value arising from the produc- tion of refined rather than simple or crude products . Number of employees and wages ...
... methods may count even more heavily and more effectively . An eighth and closely allied factor is the greater economic value arising from the produc- tion of refined rather than simple or crude products . Number of employees and wages ...
Page 434
... methods . To catalog these would be a tedious undertaking . This paper instead will analyze only some of these methods , perhaps incidentally referring to part of the rest . The ones analyzed are chosen because of timeliness or ...
... methods . To catalog these would be a tedious undertaking . This paper instead will analyze only some of these methods , perhaps incidentally referring to part of the rest . The ones analyzed are chosen because of timeliness or ...
Page 484
... method followed by the wood cutters of his district . His conclusion on the methods developed and results achieved by the " native Americans " deserves special attention . It would seem from the style of the " paper " and from the ...
... method followed by the wood cutters of his district . His conclusion on the methods developed and results achieved by the " native Americans " deserves special attention . It would seem from the style of the " paper " and from the ...
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