Work Type
- waterworks 18
- hotels (public accommodations) 16
- JPEG 15
- national parks 15
- recreation areas 15
- fortifications 8
- forts 8
- military buildings 7
- overlooks 7
- parkways 7
- roads 7
- recreation buildings 6
- sports buildings 6
- bridges (built works) 4
- historic house museums (buildings) 4
- lighthouses 4
- marine parks 4
- museums (buildings) 4
- plans (orthographic projections) 4
- plans, floor 4