Columbia subject headings:
Harvard subject headings:
Columbia River Valley--Antiquities.
Excavations (Archaeology)--Columbia River Valley.
Excavations (Archaeology)--Oregon--Portland Region.
Indians of North America--Columbia River Valley--Antiquities.
Indians of North America--Oregon--Portland Region--Antiquities.
Oregon--Antiquities.
Portland Region (Or.)--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--United States--Lower Columbia Valley (Or. and Wash.).
Indians of North America--Lower Columbia Valley (Or. and Wash.)--Antiquities.