This photograph shows a U.S. Navy protected cruiser resting in a floating dry dock for routine hull maintenance. The ship's tightly clustered funnels are the recognition feature of USS Columbia, an 1890s high-speed cruiser once celebrated for record transatlantic crossings. Periodic docking to clean and repaint the hull was essential upkeep for coal-fired warships of the era, keeping their bottoms free of marine growth that slowed speed and increased fuel consumption. Project: 218595