Home >> Regional >> North America >> United States >> Illinois >> Regions >> East Central >> Science and Environment   Champaign County   Vermilion County     Cultural Resource Survey: An Environmental Summary of The Lake of The Woods Report on the natural environment of east-central Illinois and the changes that have occurred since deglaciation (16,000 BP). The vegetative context is reconstructed using data from the 1822 Government Land Office survey. Regional: North America: United States: Illinois: Science and Environment
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