Columbia subject headings:
Chaco Canyon (N.M.)--Antiquities.
Indians of North America--New Mexico--Chaco Canyon--Antiquities.
New Mexico--Antiquities.
Paleoecology--New Mexico--Chaco Canyon.
Pueblo Alto Site (N.M.)
Pueblo Indians--Antiquities.
Harvard subject headings:
Chaco Canyon (N.M.)--Antiquities.
Excavations (Archaeology)--New Mexico--Chaco Canyon.
Indians of North America--Southwest, New--Antiquities.
New Mexico--Antiquities
Pueblo Indians--Antiquities
Princeton subject headings:
Chaco Canyon (N.M.)--Antiquities.
Excavations (Archaeology)--New Mexico--Chaco Canyon.
Indians of North America--New Mexico--Chaco Canyon--Antiquities.
New Mexico--Antiquities.
Pueblo Alto Site (N.M.)
Pueblo Indians--Antiquities.