Township of Madison is a civil located in Johnson County, Iowa. It appears on the Swisher USGS 7.5-minute topographic quadrangle. The nearest populated place is Green Castle (historical), approximately 0.6 miles to the N.
Johnson County · Iowa
Township of Madison is a civil located in Johnson County, Iowa. It appears on the Swisher USGS 7.5-minute topographic quadrangle. The nearest populated place is Green Castle (historical), approximately 0.6 miles to the N.