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Subject
- City planning[remove]66
- United States. Works Progress Administration60
- Building47
- Construction workers47
- Streets--Design and construction16
- Educational facilities8
- School buildings8
- Streets8
- Sewerage7
- Airports6
- Airports--Design and construction6
- Sea-walls--Design and construction6
- Construction equipment5
- Runways (Aeronautics)5
- Sewage disposal4
- Sewage disposal plants4
- Golf courses--Design and Construction3
- Runways (Aeronautics)--Maintenance and repair3
- Street maintenance & repair3
- Forests2