Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. architectural elements
7. [structural elements and components for structural elements]
8. structural elements
9. [spanning and projecting structural elements]
10. beams (structural elements)
11. [beams by location or context]

Anotations

Scope note:

Secondary roof support members, usually light poles or trimmed saplings, placed perpendicularly or in a herringbone pattern over vigas (primary beams) in Native American or Spanish American adobe construction.