Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. social science concepts
5. legal concepts
6. [property and related concepts]
7. property (legal concept)
8. cultural property

Anotations

Scope note:

Beginning in the 1980s, sites designated by US Congress and administered by non-profit organizations or state governments where natural, cultural, and historic resources combine to form a nationally important landscape.