| Harness, Illinois | |
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| — Unincorporated settlement — | |
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Harness, Illinois
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| Coordinates: | |
| Country | United States |
| State | Illinois |
| County | Logan |
| Elevation | 561 ft (171 m) |
| Time zone | Central (CST) (UTC-6) |
| • Summer (DST) | CDT (UTC-5) |
| Area code(s) | 217 |
| GNIS feature ID | 422773[1] |
Harness is an unincorporated community in Logan County, Illinois, United States. Harness is located west of Hartsburg and south of San Jose.
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