Forest Leaves, Volume 16Pennsylvania Forestry Association., 1917 |
From inside the book
Results 1-5 of 46
Page 7
... material resources on the same land — such areas , for example , as those now comprised in the Yellowstone and Yosemite Parks and in the Grand Canyon National Monument . " The protection of the scenic features and the development of the ...
... material resources on the same land — such areas , for example , as those now comprised in the Yellowstone and Yosemite Parks and in the Grand Canyon National Monument . " The protection of the scenic features and the development of the ...
Page 23
... materials expenses , 100,000 School taxes , Road taxes , Land purchase and examination of titles , Forest fire prevention and extinction , Forest Academy , District foresters , 18,000 42,000 42,000 600,000 185,000 25,000 15,000 The ...
... materials expenses , 100,000 School taxes , Road taxes , Land purchase and examination of titles , Forest fire prevention and extinction , Forest Academy , District foresters , 18,000 42,000 42,000 600,000 185,000 25,000 15,000 The ...
Page 24
... material by cutting , to clear a gross revenue of $ 15 per acre . Beginning with 1947 , it is thought advisable , according to the plan , to cut at the rate of 4,500 acres per annum , and plant it at the same rate with the more valuable ...
... material by cutting , to clear a gross revenue of $ 15 per acre . Beginning with 1947 , it is thought advisable , according to the plan , to cut at the rate of 4,500 acres per annum , and plant it at the same rate with the more valuable ...
Page 28
... material for many other products . The industry seems to have been built up beyond the needs of its market , for at ... materials . Uses lost to other structural materials within the last 10 years equal one - fifth of the present yearly ...
... material for many other products . The industry seems to have been built up beyond the needs of its market , for at ... materials . Uses lost to other structural materials within the last 10 years equal one - fifth of the present yearly ...
Page 31
... materials required for con- crete , blasting charges , and log rules . The book closes with a glossary and index . Numerous illustrations aid in giving an under- standing of the text , making the handbook valu- able for novices in woods ...
... materials required for con- crete , blasting charges , and log rules . The book closes with a glossary and index . Numerous illustrations aid in giving an under- standing of the text , making the handbook valu- able for novices in woods ...
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Common terms and phrases
acres Albert Lewis American amount annual Arbor Day Bedford County birds Brinton Coxe Bruce Ricketts Buck Hill Falls Bucks County burned camp cent Chairman chestnut coal Commission Commonwealth Conklin conservation cord cost damage Department of Forestry dollars Drinker estry F. L. Bitler farm feet Forest Academy forest areas Forest Fire Warden forest fires forest land FOREST LEAVES forest protection Forest Reserves Forest Service France French forests growing growth Henry important industry insects interest J. T. Rothrock labor Lake Legislature locust loss maple meeting membership ment methods miles million Monroe County mountain National Forests Norway spruce nurseries Ohio organization owner Pancoast Pennsylvania Forestry Association Philadelphia Pittsburgh present President production purchase railroad reforestation region River Samuel L Samuel Marshall Scotch pine Secretary seedlings soil species spruce stands stumpage supply timber tion towers United white pine wood