Pamphlets on Forestry, Volume 151991 |
From inside the book
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... trees , just as Nature once covered and protected it . It takes from fifty to one hundred years to grow a mature tree , but when the soil is gone it may come back in a thousand years or never . In the valley of the Tigris and Euphrates ...
... trees , just as Nature once covered and protected it . It takes from fifty to one hundred years to grow a mature tree , but when the soil is gone it may come back in a thousand years or never . In the valley of the Tigris and Euphrates ...
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... trees have been transformed into telegraph poles and parts of telegraph instruments . Over the wires strung on these ... trees . He had to have more barns : down came the trees . He had to build schools and churches : down came the trees ...
... trees have been transformed into telegraph poles and parts of telegraph instruments . Over the wires strung on these ... trees . He had to have more barns : down came the trees . He had to build schools and churches : down came the trees ...
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Trees cannot vote , otherwise more attention would be paid to their welfare . Since trees cannot vote someone must speak for them . To voice their cause is to speak for the economic future of How an Organization Can Help the country ...
Trees cannot vote , otherwise more attention would be paid to their welfare . Since trees cannot vote someone must speak for them . To voice their cause is to speak for the economic future of How an Organization Can Help the country ...
Common terms and phrases
acres activities annual Association of Forestry building California camp campus committee convention Cornell cost course crop curriculum dairy Dean Moon delegates engineering estry experience faculty farm farmer feet field forest fires forest policy forest school Forest Service Forestry Club forestry department future give graduates growing held Hilgard Hall important increase industry Intercollegiate Association interest labor land logging lumber lumbermen manufacturing meeting member clubs membership ment methods mills National Forests natural occupation organization Pennsylvania State College Pennsylvania State Forest Pine plants practical present President Club problems Prof profession of forestry professional Professor profit protection Redwood reforestation region School of Forestry scientific season secure Sierra National Forest silviculture social stand success talks technical forester things timber tion trees United University University of Washington Vocational Washington waste wood worker Yale York State College