Hierarchy classification:

1. top of the aat hierarchies
2. Styles and Periods Facet
3. Styles and Periods (hierarchy name)
4. [styles, periods, and cultures by region]
5. Americas, The
6. modern American
7. modern North American
8. [modern North American architecture styles and movements]

Anotations

Scope note:

An American architectural style developed in the early and mid-20th century by the US National Park Service (NPS). Goals were to standardize buildings in their parks, with an emphasis on harmonizing the architecture with the natural environment and existing historical architecture of the site.