Nota de aplicación
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.
Ubicación jerarquía
- Faceta Conceptos Asociados
- .. conceptos asociados
- .... conceptos de ciencias sociales
- ...... conceptos legales
- ........ <propiedad y conceptos relacionados>
- .......... propiedad (concepto legal)
- ............ propiedad cultural
- .............. National Heritage Areas