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Subject
- Dams--Design and construction.[remove]5
- Engineering.3
- Labor.2
- African Americans--Songs and music.1
- Campfires.1
- Cement.1
- Construction workers--United States.1
- Construction workers.1
- Conveyor belts.1
- Cranes, derricks, etc.1
- Dams--Washington.1
- Dynamite.1
- Machinery.1
- Murray, Lake (S.C.)--History.1
- Railroad tracks--Maintenance and repair.1
- Railroads--Employees--Songs and music.1
- Richards, John G. (John Gardiner), 1864-1941.1
- Roosevelt, Eleanor, 1884-1962.1
- Roosevelt, Franklin D. (Franklin Delano), 1882-1945.1
- Singing.1