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. geological maps

Additional parents:

Narrower term/s

• mine maps

Anotations

Scope note:

Maps of hydrographic data that may include data on coastal intertidal and shallow water zones, vegetation, contours, land use, drainage, shoreline, wetlands, or other features. These may be rendered in digital or printed form.