Category Archives: Soil

Sangamon County in 1837

The following description of Sangamon County is taken from Illinois in 1837: A Sketch by H.L. Ellsworth (Philadelphia, 1837); spelling and punctuation from the original. Note that, two years after this was written, the Illinois General Assembly reduced Sangamon County … Continue reading

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Groves

Groves of mature hardwood trees figured frequently in the history of Sangamon County. Robert Pulliam, considered the first European inhabitant of  the county, set up his first encampment in a grove of sugar maples on what became known as Sugar … Continue reading

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Sangamon County geology

Dr. A.R. Crook, curator of the Illinois State Museum of Natural History, analyzed the geology of Sangamon County in a 1912 pamphlet. It included the following description of the soil and rock layers underlying the county down to about 1,700 … Continue reading

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Sangamon Stage

The Sangamon Stage is a geological term used to designate one of the intervals between the successive advances of glacial ice across the landscape of North America. Also known as the Sangamon Interglacial, the period is so named because the … Continue reading

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