Columbia subject headings:
Harvard subject headings:
Excavations (Archaeology)--Great Plains.
Excavations (Archaeology)--Middle West.
Great Plains--Antiquities.
Indians of North America--Great Plains--Antiquities.
Indians of North America--Middle West--Antiquities.
Middle West--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Great Plains.
Excavations (Archaeology)--Middle West.
Great Plains--Antiquities.
Indians of North America--Great Plains--Antiquities.
Indians of North America--Middle West--Antiquities.
Middle West--Antiquities.