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. monuments
9. [monuments by form]
10. markers (monuments)

Narrower term/s

• National Historic Landmarks

Anotations

Scope note:

Conspicuous monuments, fixed objects, or markers that serve as guides in the direction of one's course, characterize a neighborhood, or establish the location of land boundaries or property.