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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Landslide
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INFOTEXT
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1992-09-03
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290b
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9 lines
A landslide is a sudden downward movement of
a mass of soil or rocks from a cliff or steep
slope. Landslides happen when a slope becomes
unstable, usually because the base has been
undercut or because materials within the mass
have become wet and slippery.
Subject by: Stuart Dicker