Columbia subject headings:
Harvard subject headings:
Cliff-dwellings--Colorado--Johnson Canyon.
Colorado--Antiquities.
Human beings--Effect of environment on--Colorado--Johnson Canyon.
Indians of North America--Colorado--Johnson Canyon--Antiquities.
Johnson Canyon (Colo.)--Antiquities.
Pueblo Indians--Antiquities
Princeton subject headings:
Excavations (Archaeology)--Colorado--Johnson Canyon.
Human beings--Effect of environment on.
Johnson Canyon (Colo.)--Antiquities.
Pueblo Indians--Antiquities.