Sigma is a populated place located in Houston County, Alabama. It appears on the Sigma USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 229.29 feet (69.89 m) above sea level.
Houston County · Alabama
Sigma is a populated place located in Houston County, Alabama. It appears on the Sigma USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 229.29 feet (69.89 m) above sea level.