Columbia subject headings:
Harvard subject headings:
Arizona--Antiquities.
Chert--Arizona--Coconino County.
Coconino County (Ariz.)--Antiquities.
Excavations (Archaeology)--Arizona--Coconino County.
Indians of North America--Southwest, New--Antiquities.
Princeton subject headings:
Arizona--Antiquities.
Gray Mountain Site (Ariz.)--Antiquities.
Tools, Prehistoric--Arizona.