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Subject
- Construction.1
- Cruisers (Warships)--United States--History--20th century.1
- Destroyers (Warships)--United States--History--20th century.[remove]1
- Engineering.1
- Navy-yards and naval stations.1
- Philadelphia (Pa.)--History.1
- Philadelphia Naval Shipyard (Philadelphia, Pa.)--History.1
- Ships.[remove]1
- United States. Navy.1