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 425
... forestry codes to be administered under appropriate state laws , by competent state agencies , forest prac- tices and methods based on tested experience in each region as furthering continuous forest production and sustained yield ...
... forestry codes to be administered under appropriate state laws , by competent state agencies , forest prac- tices and methods based on tested experience in each region as furthering continuous forest production and sustained yield ...
Page 434
... FORESTRY JOHN D. BLACK 1 Henry Lee Professor of Economics , Harvard University ( Read November 17 , 1944 , in the Symposium on Forestry and the Public Welfare ) PROCEEDINGS OF THE AMERICAN PHILOSOPHICAL SOCIETY , VOL . 89 , NO . 2 ...
... FORESTRY JOHN D. BLACK 1 Henry Lee Professor of Economics , Harvard University ( Read November 17 , 1944 , in the Symposium on Forestry and the Public Welfare ) PROCEEDINGS OF THE AMERICAN PHILOSOPHICAL SOCIETY , VOL . 89 , NO . 2 ...
Page 444
... Forestry Association , and Member of the Pennsylvania Forestry Commission , was invited to read a com- munication on The Growth of the Forestry Idea in Pennsylvania . No better choice could have been made , for Dr. Rothrock was the man ...
... Forestry Association , and Member of the Pennsylvania Forestry Commission , was invited to read a com- munication on The Growth of the Forestry Idea in Pennsylvania . No better choice could have been made , for Dr. Rothrock was the man ...
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