Columbia subject headings:
Harvard subject headings:
Archaeological surveying--Illinois--Cache River Watershed.
Cache River Watershed (Ill.)--Antiquities.
Illinois--Antiquities.
Indians of North America--Illinois--Antiquities.
Princeton subject headings:
Cache River Valley (Ill.)--Antiquities.
Excavations (Archaeology)--Illinois--Cache River Valley.
Indians of North America--Illinois--Cache River Valley--Antiquities.