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Location of Illinois in the United States
Dennison is located at 39°27'39" North, 87°35'52" West (39.4608688, -87.5978025).
|This section is empty. You can help by adding to it. (June 2008)|
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
|This Clark County, Illinois location article is a stub. You can help Wikipedia by expanding it.|