Pamphlets on Forestry, Volume 151991 |
From inside the book
Results 1-3 of 83
Page 46
... wood will not be grown in spite of all improvements in the processes of utilization or in demand , and finally that without forestry , every process and business dependent on wood will ultimately vanish in this country as com- pletely ...
... wood will not be grown in spite of all improvements in the processes of utilization or in demand , and finally that without forestry , every process and business dependent on wood will ultimately vanish in this country as com- pletely ...
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The hole which they make in the wood is so small at the surface that it can be seen only with great difficulty , sometimes not without a magnifying glass . When once within the wood , how- ( ever , they start to grow with great rapidity ...
The hole which they make in the wood is so small at the surface that it can be seen only with great difficulty , sometimes not without a magnifying glass . When once within the wood , how- ( ever , they start to grow with great rapidity ...
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... wood every year in this country . This means that about two hundred and fifty million trees of average size are cut from the forests every year , or trees that would cover eighteen thousand , five - hundred square miles or an area equal ...
... wood every year in this country . This means that about two hundred and fifty million trees of average size are cut from the forests every year , or trees that would cover eighteen thousand , five - hundred square miles or an area equal ...
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