Columbia subject headings:
Archaeology--Fieldwork.
Archaeology--Methodology.
Excavations (Archaeology)--Methodology.
Harvard subject headings:
Archaeological surveying
Archaeology--Field work.
Archaeology--Methodology
Excavations (Archaeology)--Methodology.
Wetlands.
Princeton subject headings:
Archaeology--Field work.
Archaeology--Methodology.
Excavations (Archaeology)--Methodology.