Title: Misadventures of a Civil War submarine
Subjects: Pacific Pearl Company, Submersibles, Engineers, German-Americans, Submarine, Sub Marine Explorer, Naval operations, Pearl industry and trade, Shipwrecks, Biography, History, Underwater exploration, Engineers, biography, German americans, United states, history, civil war, 1861-1865, naval operations, Jewelry trade, United states, commerce, Latin america, commerce, German Americans
Places: United States, Panama, Pearl Islands
People: Julius Kroehl (1820-1867)
Time periods: Civil War, 1861-1865, 19th century