Kate Walker here, keeping the light on Robbins Reef.
Did you know that the Lighthouse Service built a lighthouse on Navassa Island? Bet you don’t even know where Navassa Island is. I didn’t until I read about it in the newspaper. It was built in 1917, while I was still keeping the light on Robbins Reef.
Navassa is an uninhabited, 5 km (about 2 square miles) island in the Caribbean Sea between Haiti and Jamaica, administered by the U.S. Department of Interior. In 1857 the phosphorite on Navassa was mistaken for guano by a U.S. sea captain who laid claim to the island under the Guano Island Act passed by the U.S. Congress in 1855. Between 1865 and 1898 almost a million tons of the phosphorite was strip-mined from the island and shipped to Baltimore by the Navassa Phosphate Company. The island was abandoned during the Spanish American War, but by that time it was firmly established as U.S. territory.
The opening of the Panama Canal put Navassa in the middle of the traffic lanes between the Atlantic and Caribbean, and the Coast Guard built a lighthouse on the island in 1917 to help guide ships bound for the Panama Canal. Global Positioning Systems eliminated the need for the lighthouse by 1996, and the Coast Guard turned over to U.S. Department of Interior on January 16, 1997.
The 162-foot lighthouse is now endangered by abandonment and lack of maintenance, and the keeper’s house is in ruins. The importance of the light before the advent of GPS was evident in the fact that it has the twelfth-highest tower and fourth-highest focal plane of all U.S. lights.
A National Wildlife Refuge, under the jurisdiction of the U.S. Fish and Wildlife Service, was established on Navassa Island in 1999 to preserve and protect the coral reef ecosystems and the marine environment, to restore and enhance native wildlife and plants, and to provide opportunities for wildlife research. This refuge is closed to the public.
Information is from https://coastal.er.usgs.gov/navassa/history/lighthouse1.html; and https://www.ibiblio.org/lighthouse/nvi.htm; and Wikipedia.