query: What is the southernmost county in Georgia?
passage: Charlton County, Georgia
Charlton County is the southernmost county of the U.S. state of Georgia. As of the 2010 census, the population was 12,171.[2] The county seat is Folkston.[3]
passage: Sedgwick County, Colorado
Sedgwick County is the northeasternmost of the 64 counties in the U.S. state of Colorado. As of the 2010 census, the population was 2,379. The county seat is Julesburg. The county was named for Fort Sedgwick, a military post along the Platte Trail, which was named for General John Sedgwick.