Billerica地形图
点击地图以查看其地形、其海拔和其地势。
Concord River
United States > Massachusetts > Middlesex County > Billerica
The river begins in Middlesex County, formed by the confluence of the Sudbury and Assabet Rivers at Egg Rock, near the Concord town center. It flows generally north, from eastern Concord (along the northwestern edge of the Boston metropolitan area), joining the Merrimack River from the south on the eastern…
平均海拔：50 米
