Boone County, Indiana
…also flowing west-southwestward into Montgomery. The southeast part of the county is drained by Eagle Creek and its tributaries, flowing southward into Marion County. According to the 2010 census, the county has a total area of 423.25 square miles (1,096.2 km2), of which 422.91 square miles (1,095.3 km2) (or 99.92…