skos:altLabel | - Light Service
- Lighthouse Board
- Lighthouse Service
- Bureau of Lighthouses
- Commissioner of Lighthouses
- Lighthouse Bureau
- National Lighthouse Service
- Superintendent of Lighthouses
- U.S. Lighthouse Service
- U.S. Lighthouse Service 1789-1939
- U.S. Lighthouse Service flag
- U.S. Lighthouse Service
- United States Lighthouse Establishment
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