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Subject
- Construction workers[remove]49
- United States. Works Progress Administration48
- City planning47
- Building43
- Streets--Design and construction14
- Streets9
- Sewerage7
- Airports--Design and construction6
- Sea-walls--Design and construction6
- Airports5
- Construction equipment5
- Runways (Aeronautics)4
- Sewage disposal4
- Sewage disposal plants4
- Golf courses--Design and Construction3
- Runways (Aeronautics)--Maintenance and repair3
- Forests2
- Horses2
- Steam shovels2
- Street maintenance & repair2