Columbia subject headings:
Harvard subject headings:
Excavations (Archaeology)--Illinois--Illinois River Valley.
Hog Bluff Site (Ill.)
Illinois River Valley (Ill.)--Antiquities.
Illinois--Antiquities.
Indians of North America--Illinois--Illinois River Valley--Antiquities.
Smiling Dan Site (Ill.)
Woodland Indians--Antiquities
Princeton subject headings:
Excavations (Archaeology)--Illinois--Illinois River Valley.
Hog Bluff Site (Ill.)
Illinois River Valley (Ill.)--Antiquities.
Illinois--Antiquities.
Indians of North America--Illinois--Illinois River Valley--Antiquities.
Smiling Dan Site (Ill.)
Woodland Indians--Antiquities.