Londonderry, New Hampshire Natural Features / Rivers & Brooks

Latitude: 42.8359 (42°50′9″N), Longitude: -71.3468 (71°20′48″W)

Latitude: 42.9192 (42°55′9″N), Longitude: -71.4221 (71°25′19″W)

Latitude: 42.8982 (42°53′53″N), Longitude: -71.3406 (71°20′26″W)

Latitude: 42.8951 (42°53′42″N), Longitude: -71.4358 (71°26′9″W)