Columbia subject headings:
Harvard subject headings:
Arizona--Antiquities.
Indians of North America--Arizona--Walnut Canyon National Monument--Antiquities.
Land settlement patterns, Prehistoric--Arizona--Walnut Canyon National Monument.
Walnut Canyon National Monument (Ariz.)--Antiquities.
Princeton subject headings:
Indians of North America--Arizona--Antiquities.
Land settlement patterns, Prehistoric--Arizona.
Walnut Canyon National Monument (Ariz.)--Antiquities.