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Topic
- Tourism 31
- Photography 25
- Rivers 9
- Mountains 8
- Scenic byways 8
- Maps 5
- Waterfalls 4
- Tunnels 3
- Volcanoes 3
- Bodies of water 2
- Bridges--Design and construction 2
- Forest roads--Design and construction 2
- Northwest, Pacific 2
- Scenic overlooks 2
- Transportation 2
- Tunnels--Design and construction 2
- Portraits, Group 1