Columbia subject headings:
Harvard subject headings:
Byzantine Empire--Civilization--To 527.
Excavations (Archaeology)--Israel--Negev.
Irrigation--Israel--Negev.
Irrigation--Tailwater recovery systems
Negev (Israel)--Antiquities, Byzantine.
Princeton subject headings:
Irrigation--Israel--Negev--History.
Irrigation--Tailwater recovery systems.
Negev (Israel)--Antiquities.