Forests: Riches of the EarthDescribes the importance of trees and tree products to man from the earliest civilizations to the present day. Also discusses the need for conserving forests and vegetation and the consequences of neglecting to do so. |
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Contents
Wild Harvest | 11 |
Treasures From Ancient Timberlands | 20 |
Our Earths Green Mantle | 32 |
Copyright | |
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acres America animals Apple areas Asia Bark become breadfruit building called carried cells century China civilization coal contain earth East Eastern U.S. enormous Europe eventually feet fibers forest fire forestry fruit fuel glucose green plants ground growing growth hard Harrison harvested Heartwood human important increase Indian Indies industrial insects John kind known land layer learned leaves light lignite living logs lumber manufacture materials medicines Michigan million mountain nation's nature nature's needed northern numerous once Pear photosynthesis pine PLUM pounds present produced reach region resin rich rivers roots scientists seeds ships soaps soil South Southern species stand sugar supply taiga things thousands timber timberlands tiny tion treasures tree's trees tropical trunk United valley vast vegetation West Western wood