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Lighthouses

Piney Point Lighthouse, St. Mary's County, Maryland

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Piney Point Lighthouse, St. Mary's County, Maryland

1800 1800s 1830 1830s 1836 19th century MD Maryland North American Saint Marys St. Mary's County US USA United States of America architecture beacon defence defend hdr historic historical history keepers house light house lighthouse lighthouses navigation pharos preserve prevention preventive protect protecting protection safeguard safeguarding safekeeping safety security surveillance tower towers