Londonderry, New Hampshire

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• Regional: United States: New Hampshire: Regions: Merrimack Valley 
• Regional: United States: New Hampshire: Counties: Rockingham 

• Aquatic Escapes  - Offering training and education programs, diving equipment, rentals, dive travel, repairs and service.
• Londonderry Trailways  - Establishes and maintains a pedestrian and recreational trail system in town. Officers’ profiles, newsletter, current projects, and related information are provided.
• Town of Londonderry  - Information on the official town website. With services, departments and local agencies, and contact details.