Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by form]
8. graphic document genres
9. cartographic materials
10. maps (documents)
11. [maps by form]
12. relief maps

Anotations

Scope note:

Maps showing elevation and the configuration of the ground by the use of contour lines and usually lacking other detail. For maps that use lines to show the distribution of characteristics other than elevation, use "isoline maps."