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Subject
- Construction workers.[remove]3
- Architecture--Louisiana--New Orleans.1
- Beacons.1
- Buildings--Design and construction.1
- Construction projects.1
- Cranes, derricks, etc.1
- Dams--Design and construction.1
- Engineering.1
- Mississippi River.1
- New Orleans (La.)--Buildings, structures, etc.1
- Riverside Church (New York, N.Y.)1
- Skyscrapers.1
- Steel I-beams.1