What are the Totten Beacons?

These 19th-century aids to navigation are protected historical resources.

Hatteras Beacon - Wikipedia

World's first deep ocean manned expedition launched - SAFETY4SEA

Featured Content National Oceanic and Atmospheric Administration

NOAA's National Ocean Service: Newsroom

Minot's Ledge Lighthouse is put on auction block

Beacon Technology working - How does Beacon work ?

Ocean Fact Technology-Ahadsjournal – Ahads journal

Beacon School Saved From Chopping Block, Says Halloran

National Marine Sanctuary Foundation