Columbia subject headings:
Harvard subject headings:
Excavations (Archaeology)--Illinois--White Walnut Creek Valley.
Illinois--Antiquities.
Indians of North America--Illinois--White Walnut Creek Valley--Antiquities.
White Walnut Creek Valley (Ill.)--Antiquities.
White Walnut Creek Valley (Ill.)--History.
Princeton subject headings:
Excavations (Archaeology)--Illinois--White Walnut Creek Valley.
Illinois--Antiquities.
Indians of North America--Illinois--White Walnut Creek Valley--Antiquities.
White Walnut Creek Valley (Ill.)--Antiquities.
White Walnut Creek Valley (Ill.)--History.