Columbia subject headings:
Archaeology--United States--Methodology.
Cultural property--Protection--United States.
Historic sites--Conservation and restoration--United States.
Historic sites--United States--Conservation and restoration.
Indians of North America--Antiquities--Collection and preservation.
Landscape protection--United States.
United States--Antiquities--Collection and preservation.
Harvard subject headings:
Archaeology--Methodology
Archaeology--United States--Methodology.
Cultural property--Protection--United States
Historic buildings--Conservation and restoration--United States
Historic preservation--United States
Historic sites--Conservation and restoration--United States
Indians of North America--Antiquities--Collection and preservation.
United States--Antiquities--Collection and preservation.
Princeton subject headings:
Archaeology--United States--Methodology.
Cultural property--Protection--United States.
Historic sites--Conservation and restoration--United States.
Historical preservation--United States.
Indians of North America--Antiquities--Collection and preservation.
United States--Antiquities--Collection and preservation.