Columbia subject headings:
Archaeology--History.
Excavations (Archaeology)--United States.
Indians of North America--Antiquities.
United States--Antiquities.
Harvard subject headings:
Archaeology--History
Excavations (Archaeology)--United States
Indians of North America--Antiquities
United States--Antiquities
Princeton subject headings:
Archaeology--History.
Excavations (Archaeology)--United States.
Indians of North America--Antiquities.
United States--Antiquities.