Note 13 — Chapter VIII · FIRST INDEPENDENT WORK.—FIRST APPEARANCE IN SANGAMON COUNTY.—VISIT TO NEW ORLEANS IN 1831.
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1830–1831. “The winter of the deep snow” is the date which is the starting point in all calculations of time for the early settlers of Illinois, and the circumstance from which the old settlers of Sangamon County receive the name by which they are generally known, “Snow-birds.”