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 subject type]
12. military maps

Anotations

Scope note:

Plans that depict defensive installations of a town or fortress, while the interior of the town is often left as generic built space. They were used as building plans as well as for the management, inspection, maintenance, and defense of towns. The topography around the fortress or fortified town may also be represented.