Mainstream is a populated place located in Somerset County, Maine. It appears on the Harmony USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 365.83 feet (111.50 m) above sea level.
Somerset County · Maine
Mainstream is a populated place located in Somerset County, Maine. It appears on the Harmony USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 365.83 feet (111.50 m) above sea level.