Derry, New Hampshire Landmarks / Dams and Water Gates

Latitude: 42.9167 (42°55′0″N), Longitude: -71.2786 (71°16′43″W)

Latitude: 42.8953 (42°53′43″N), Longitude: -71.3067 (71°18′24″W)

Latitude: 42.9016 (42°54′6″N), Longitude: -71.2992 (71°17′57″W)

Latitude: 42.8963 (42°53′47″N), Longitude: -71.2632 (71°15′47″W)

Latitude: 42.8837 (42°53′1″N), Longitude: -71.3302 (71°19′49″W)