Columbia subject headings:
Fremont culture.
Knoll site (Utah)
Levee site (Utah)
Harvard subject headings:
Bear River Valley (Utah-Idaho)--Antiquities.
Box Elder County (Utah)--Antiquities.
Excavations (Archaeology)--Utah--Box Elder County.
Fremont culture.
Indians of North America--Utah--Box Elder County--Antiquities.
Knoll site (Utah)
Levee site (Utah)
Princeton subject headings:
Fremont culture.
Knoll site, Utah.
Levee site, Utah.