Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by function]
8. transportation structures
9. [transportation structures by function]
10. water transportation structures
11. landings (marine structures)

Anotations

Scope note:

In modern casual, common usage, any structures along a body of water intended to support people or their activities, such as boarding a boat or unloading cargo. Examples include piers and wharves. Distinguished from "docks (waterfront spaces)," which are spaces where ships dock.