Fort Jefferson National Monument, Florida

Published in the mid-20th century, 'Fort Jefferson National Monument' provides a historical overview of Fort Jefferson, the largest 19th-century American coastal fort located in the Dry Tortugas Islands, Florida. The book details its construction starting in 1846, its strategic military role during the Civil War, and its use as a prison for the Lincoln Conspirators. It also discusses the fort's eventual abandonment in 1874 and highlights the surrounding natural environment, including its ecological significance and unique wildlife, particularly the nesting sooty terns.