page_title: Baltimore Harbor Light
hierarchical_section_title: Baltimore Harbor Light
context_page_description: The Baltimore Harbor Light, officially Baltimore Light and historically Baltimore Harbor Lighthouse is a privately owned caisson lighthouse in the Chesapeake Bay in Maryland. First lit in 1908, it sits at the mouth of the Magothy River, marking the channel which leads northwest to the opening of the Patapsco River, which then leads into the Baltimore harbor. At the time of its construction, it was the world's tallest caisson lighthouse. In June 2006, Baltimore Light was sold at auction to private owners by the General Services Administration for $260,000; the U.S. Coast Guard maintains rights to operate a light on the structure.
  Although a lighthouse had been requested at the site since 1890, it was not until 1904 that construction actually began. In October of that year a violent storm struck the construction site, upturning the caisson and sending it to the bottom of the Bay. The contractor defaulted on the work, and it was not until late in 1905 that construction could resume. The lens was finally installed and the light lit in 1908. It was the last lighthouse to be constructed on the Chesapeake.
context_section_description: The Baltimore Harbor Light, officially Baltimore Light and historically Baltimore Harbor Lighthouse is a privately owned caisson lighthouse in the Chesapeake Bay in Maryland. First lit in 1908, it sits at the mouth of the Magothy River, marking the channel which leads northwest to the opening of the Patapsco River, which then leads into the Baltimore harbor. At the time of its construction, it was the world's tallest caisson lighthouse. In June 2006, Baltimore Light was sold at auction to private owners by the General Services Administration for $260,000; the U.S. Coast Guard maintains rights to operate a light on the structure.
  Although a lighthouse had been requested at the site since 1890, it was not until 1904 that construction actually began. In October of that year a violent storm struck the construction site, upturning the caisson and sending it to the bottom of the Bay. The contractor defaulted on the work, and it was not until late in 1905 that construction could resume. The lens was finally installed and the light lit in 1908. It was the last lighthouse to be constructed on the Chesapeake.
  In May 1964, the Baltimore Light became the first and only American lighthouse powered by nuclear power, as a test of the SNAP-7B 60 Watt radioisotope thermoelectric generator. One year later the RTG was removed and a conventional electric generator was installed. Currently the lighthouse is solar-powered.
  The structure was added to the National Register of Historic Places as Baltimore Light Station on December 2, 2002.
caption: Baltimore Light being fitted with a radioisotope thermoelectric generator on May 20, 1964, making it the first and only nuclear-powered lighthouse in the United States. In the background is the NS Savannah, the first nuclear-powered merchant vessel.
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