Columbia subject headings:
Assyria--Antiquities.
Canals--Assyria.
Dams--Assyria.
Excavations (Archaeology)--Iraq.
Hydraulic engineering--Assyria.
Irrigation canals and flumes--Assyria.
Harvard subject headings:
Assyria--Antiquities.
Canals--Assyria.
Dams--Assyria.
Excavations (Archaeology)--Iraq
Hydraulic engineering--Assyria.
Irrigation canals and flumes--Assyria.
Princeton subject headings:
Assyria--Antiquities.
Assyria--Buildings, structures, etc.
Canals--Assyria.
Dams--Assyria.
Excavations (Archaeology)--Assyria.
Hydraulic engineering--Assyria.
Irrigation canals and flumes--Assyria.