Screwpiles: The Forgotten Lighthouses

A Confederate battery at Drewry’s Bluff. Photograph by Matthew Brady. Library of Congress

Engraving of the Monitor , published in Harper’s Weekly , March 22, 1862. Courtesy of the U.S. Navy Art Collection, Washington, D.C. U.S. Naval Historical Center Photograph. USNHC # NH 76324-KN.

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