|Elevation||682 ft (208 m)|
|GNIS feature ID||432127|
Cardonia was founded in the year 1871 as a coal mining town. It was named for John F. Card, a mining official. A post office was established in Cardonia in 1879, and remained in operation until it was discontinued in 1909.
Cardonia is located at.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "Cardonia, Indiana". Geographic Names Information System, U.S. Geological Survey. Retrieved 2009-10-10.
- Blanchard, Charles (1884). Counties of Clay and Owen, Indiana: Historical and Biographical. F.A. Battey & Company. p. 248.
- Baker, Ronald L. (October 1995). From Needmore to Prosperity: Hoosier Place Names in Folklore and History. Indiana University Press. p. 87. ISBN 978-0-253-32866-3. "...and named for John F. Card, then president of the company."
- "Clay County". Jim Forte Postal History. Retrieved 30 August 2014.
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