Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Conditions and Effects (hierarchy name)
4. [conditions and effects by specific type]
5. [conditions and effects for landscape]

Anotations

Scope note:

Variations in the color or growth of crops or other vegetation on the surface of the ground, usually patterns or other recognizable shapes that reflect the shapes of buried walls, ditches, or other remains; used, for example, to locate ancient sites on aerial photographs.