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. communications structures
9. telecommunications towers

Anotations

Scope note:

Telecommunications towers that are cellular-enabled mobile device sites where antennas and electronic communications equipment are placed to transmit and receive cell phone signals over one or more cells in a mobile phone system.