Koch Island is a island located in Dodge County, Wisconsin. It appears on the Mayville South USGS 7.5-minute topographic quadrangle. The nearest populated place is Horicon, approximately 2.5 miles to the SSW.
Dodge County · Wisconsin
Koch Island is a island located in Dodge County, Wisconsin. It appears on the Mayville South USGS 7.5-minute topographic quadrangle. The nearest populated place is Horicon, approximately 2.5 miles to the SSW.