|Elevation||561 ft (171 m)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||422773|
Harness was laid out in 1900 by Daniel R. Harness, and named for him.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- Stringer, Lawrence Beaumont (1911). History of Logan County, Illinois: A Record of Its Settlement, Organization, Progress, and Achievement. Unigraphic. p. 634.
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