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SlideshowReport

The Dust Bowl in North America

Description
Native prairie grasses originally held erosion-prone soils in place
1879-1929: Widespread cultivation of wheat, and grazing of many thousands of cattle
Great Depression brought a cycle of poverty and overly intensive agricultural practices
Dust storms (black blizzards) travelled up to 2000 km
Lung irritation, dust pneumonia, grasshopper infestations
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