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Destructive of the soils of their headstreams, they deposit their loads of silt at the
foot of the mountain ranges or else leave a long line of conical deposits locally
known as dirs ("hills"). Soils. Good soil is sparse at higher altitudes in the Atlas ...
In Algeria iron ore is extracted from the Seba Chioukh Mountains, from Mount
Zaccar Rherbi, and from the areas near Ouenza and Bou Khadra, while
phosphate is mined at Mount Onk and El Kouif. Lead and zinc have also become
On the northwest of the Ruwenzori, the lower slopes touch upon the equatorial
forest, and the vegetation is moister and more luxuriant than that of the eastern
mountains. Above the bamboo forest and the wooded parkland, the Virunga ...
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review