Columbia subject headings:
Harvard subject headings:
Archie Site (Ill.)
Excavations (Archaeology)--Illinois--Morgan County.
Hopewell culture.
Illinois--Antiquities.
Indians of North America--Illinois--Morgan County--Antiquities.
Massey Site (Ill.)
Morgan County (Ill.)--Antiquities.
Princeton subject headings:
Archie Site (Ill.)
Excavations (Archaeology)--Illinois--Morgan County.
Hopewell culture.
Illinois--Antiquities.
Indians of North America--Illinois--Morgan County--Antiquities.
Massey Site (Ill.)
Morgan County (Ill.)--Antiquities.