Subject
- Dams11
- Dwellings11
- Gates11
- Marine laboratories11
- Recreation area parking facilities11
- Water-supply10
- Septic tanks8
- Toilets8
- Water--Distribution8
- Boathouses7
- Docks7
- Fish hatcheries7
- Barbecues (Fireplaces)6
- Benches6
- Lakes6
- Landscape architecture--Designs and plans6
- Storage facilities6
- Electric lines5
- Garages5
- Signs and signboards5