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Decatur County was established by the Alabama Legislature on December 17, 1821. In 1822, Woodville was selected as the county seat. Several years later, however, a survey showed the county did not have the minimum constitutional area, and so Decatur County was abolished on December 28, 1825 and divided between Madison County and Jackson County. The section added to Madison County was known informally for many years as "New Madison".
- A digest of the laws of the State of Alabama: containing the statutes and resolutions in force at the end of the General Assembly in January, 1823. Published by Ginn & Curtis, J. & J. Harper, Printers, New-York, 1828. Title 10. Chapter XXXII. Pages 97-98. An Act to establish certain Counties therein named, and for other purposes.--Passed December 17, 1821.
- Stubno, Bill. "Butler Mill". Woodville Online. Archived from the original on 2016-03-03. Retrieved 2012-05-01.
- AN ACT, To repeal in part an act, entitled an act to establish certain counties Therein named, and for other purposes, passed December 17th, 1821; and for other purposes. Approved December 28, 1825. Alabama Act 25. Alabama Legislative Acts. Annual Session, 21 Nov 1825 - 14 Jan 1826. Pages 16-17. Access Date: 2017-07-07.