Columbia subject headings:
Harvard subject headings:
Crow Canyon (Colo.)--Antiquities.
Duckfoot Site (Colo.)
Excavations (Archaeology)--Colorado--Crow Canyon.
Pueblo Indians--Colorado--Crow Canyon--Antiquities.
Princeton subject headings:
Duckfoot Site (Colo.)
Excavations (Archaeology)--Colorado.
Pueblo Indians--Antiquities.