Battle of Old Fort Wayne

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Siegenthaler-Kaestner Esker is a 37-acre (150,000 m2) state nature preserve located in Champaign County, Ohio, United States. It contains an esker, kame, and kettle, all glacial landforms.

It is an example of a sinuous esker, an ancient ice-walled stream channel which flowed through a Wisconsinan glacier 11,000-25,000 years ago.[1]

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40°13′41″N 83°51′19″W / 40.2281°N 83.8553°W / 40.2281; -83.8553