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Topic
- Recreation areas 79
- Children's literature--Illustrations 74
- City planning 74
- Housing 74
- Parks 4
- Trees 4
- Forests and forestry 3
- Aerial views 2
- Dwellings 2
- Landscapes 2
- Mountains--Oregon 2
- Municipal water supply 2
- Parks--Oregon 2
- Reservoirs 2
- State Capitol State Park (Salem, Or.) 2
- Advisory Committee on Rural Land Zoning 1
- Agriculture 1
- Artillery 1
- Burning of land 1
- Douglas County Planning Commission (Or.) 1
