"To make a prairie it takes a clover and one bee. One clover, and a bee, And revery." - Emily Dickinson

Supplementary videos

Coriolis effect: rotating earth causes prevailing winds
Coriolis effect (carousel analogy)

Extra readings

• American Buffalo: Troubled Herds PBS 3/30/09
• Terrestrial Ecoregions World Wildlife Fund
• Northern Prairie Ecoregion World Wildlife Fund
• Drummer Silty Clay Loam Gets Its Due Chicago Tribune 5/13/91

Additional material

• USDA IL Crop map (Grassland Herbaceous is less than 1%)
• Chicago Wilderness Resources
• An Atlas of Biodiversity (Chicago Wilderness)

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