Columbia subject headings:
Anthropology--United States.
Historic buildings--Conservation and restoration--United States.
Historic sites--Conservation and restoration--United States.
United States--Antiquities--Collection and preservation.
Harvard subject headings:
Anthropology--United States.
Historic buildings--Conservation and restoration--United States
Historic sites--Conservation and restoration--United States
United States--Antiquities--Collection and preservation.
Princeton subject headings:
Anthropology--United States.
Historic buildings--Conservation and restoration--United States.
Historic sites--Conservation and restoration--United States.
United States--Antiquities--Collection and preservation.