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Subject
- Civilian Conservation Corps (U.S.)217
- Parks77
- Park buildings72
- Cabins28
- Bathhouses25
- Dwellings24
- Picnic grounds21
- Roads17
- Sewage disposal11
- Water-pipes11
- Dams10
- Landscape architecture--Designs and plans8
- Water--Distribution8
- Semi-enclosed spaces (Architecture)7
- Fish culture4
- Garages4
- Recreation area parking facilities4
- Septic tanks4
- Signs and signboards4
- Trails4